Limiting Reagent Questions and Answers

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Limiting Reagent Questions and Answers

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Beryllium nitride (Be_3N_2) is a gray solid that melts at 2200^\circ C in the absence of air. (It reacts in air at 600^\circ C.) It can be prepared by heating a mixture of beryllium powder and nitr...
The percent yield for the following reaction carried out in carbon tetrachloride solution is 66.0%. (a) What amount of BrCl is formed from the reaction of 0.0350 mole of Br2 with 0.0350 mole of Cl2...
The following equation represents a reaction between aqueous solutions of silver nitrate and barium chloride. 2AgNO_3(aq) + BaCl_2(aq) \to 2AqCl(s) + Ba(NO_3)_2(aq) According to this equation, i...
Consider the following two reactions: Reaction 1: 10 mL of 0.1 M CuSO_4 and 10 mL of 0.1 M NaOH Reaction 2: 10 mL of 0.1 M Pb(NO_3)_2 and 10 mL of 0.1 M CuSO_4 1. Write the full ionic and the ne...
How many grams of lead(ll) fluoride dissolves, when 1.525 g of PbF_2 is added to a 500.0 mL solution of 0.0125 M HNO_3?
Aluminum hydroxide reacts with sulfuric acid as follows: 2 Al(OH)_{3(s)} + 3 H_2SO_{4(aq)} \to Al_2(SO_4)_{3(aq)} + 6 H_2O_{(l)} a. How many moles of Al_2(SO_4)_3 can form under these conditions? \...
Potassium permanganate, KMnO_4, a common oxidizing agent, is made from various ores that contain manganese(IV) oxide, MnO_2. The following equation shows the net reaction for one process that forms...
For the reaction shown, compute the theoretical yield of the product in moles for each of the initial quantities of reactants. Ti(s) + 2Cl_2(g) = TiCl_4(s) A) 2 mol Ti, 2 mol Cl_2 express your...
In the reaction between hydrochloric acid and magnesium, 2HCl(aq) + Mg(s) \to MgCl_2(aq) + H_2(g), 100.0 g of HCl(aq) is reacted. What volume of H_2 is produced if the temperature is 47.5 degrees C...
If 15.3 kilograms of Al_2O_3(s), 60.4 kilograms of NaOH, and 60.4 kilograms of HF react completely, how many kilograms of cryolite will be produced? What is the total mass of the excess reactants l...
What observation suggests that copper was added in excess during the last reaction? The last reaction is as followed: CuCl_2 (aq) + Cu (s) \to 2CuCl (s)
Calculate the present value of a $1,300 discount bond with 7 years to maturity if the yield to maturity is 5%.
Zinc is more active chemically than is silver; it can be used to remove ionic silver from solution. The concentration of a silver nitrate solution is determined to be 1.330 mol/L. Pieces of zinc to...
You start with 1.99 ml of benzaldehyde, 0.749 ml of acetone, and 19.99 ml sodium hydroxide. Calculate the theoretical yield of your aldol condensation product.
A mixture initially consisting of 2 mol CO and 2 mol H2 comes to equilibrium with methanol, CH3OH, as the product: CO (g) + 2H2 (g) CH3OH (g) At equilibrium, the mixture will contain which of t...
An electric current passed through salt water causes the following reaction: 2NaCl(aq) + 2H_2O rightarrow Cl_2(g) + H_2(g) + 2NaOH(aq) (a) Suppose you start with 100. mL salt solution. At the end,...
What is the percent yield if 5.5 g Mg are recovered after burning 4.9 g Mg in sufficient O?
A student is given 375-L of cis-stilbene. Following the bromination reaction, the student obtained 0.597 g of product (MW = 340.05 \dfrac{g}{mol}). Calculate the theoretical and percent yields of...
Silver nitrate and calcium chloride solutions produce a heavy, white precipitate when mixed. Chemical analysis indicates that the precipitate is silver chloride. What mass of silver chloride would...
Equal volumes of 0.160 M AgNO_3 and 0.180 M ZnCl_2 solution are mixed. Calculate the equilibrium concentrations of Ag^+ and Zn^2+. (Enter your answer in scientific notation.)
In the reaction below there are 10.0 g of sucrose and 10.0 g of oxygen reacting. Which is the limiting reagent? C_{12}H_{22}O_{11} + 12O_2 \to 12CO_2 + 11H_2O
Suppose that 1.14 times10^3 kg of Fe is obtained from 1.82 times 10^3 kg of samples Fe_2O_3. Assuming that the reaction goes to completion. What is the percentage purity of Fe_2O_3 in the original...
If 225 mL of 3.35 M HCl solution is added to 426 mL of 1.77 M NaOH solution, the resulting solution will be ___________ molar in NaCl. Assume that the volumes are additive.
Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is: 2Mg(s) + O_2(g) \to 2MgO(s) When 9.9 g of Mg are allowed to react w...
A 5.00-L reaction vessel contains hydrogen at a partial pressure of 0.588 atm and oxygen gas at a partial pressure of 0.302 atm. Which element is the limiting reactant in the following reaction? 2H...
(CH_4N_2O) urea is a common fertilizer that can be synthesized by the reaction of ammonia (NH_3) with carbon dioxide as follows: 2 NH_3 (aq) + CO_2 (aq) to CH_4N_2O (aq) + H_2O In an industrial sy...
Urea (CH_4N_2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH_3) with carbon dioxide as follows: 2NH_3(aq)+CO_2(aq) to CH_4N_2O(aq)+H_2O(l) In an industrial synthesi...
In an industrial synthesis of urea, a chemist combines 122.5 kg of ammonia with 211.4 kg of carbon dioxide and obtains 170.3 kg of urea. Determine the percent yield for the reaction.
Urea (CH_4N_2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH_3) with carbon dioxide. In an industrial synthesis of urea, a chemist combines 121.8 kg of ammonia with...
A number of chemical reactions have been proposed for the formation of organic (chemicals of life) compounds from inorganic precursors. Here is one of them: H_2S(g) + FeS(s) + CO2(g) to FeS_2(s)...
Give the reaction: 2KMnO_4(aq) + 5H_2O_2(aq) + 6HCl(aq) to 2MnCl_2(aq) +5O_2(g) + 8H_2O(l) + 2KCl(aq). How many grams of MnCl_2 can be produced from a reaction of 20.0 g of KMnO_4, 10.0 g H_2O_2, a...
What is the limiting reactant in the following reaction: (NH_4)_2CO_3 + CaCl_2 \to 2NH_4Cl_2 + CaCO_3?
When 1.00 g of copper metal was placed in 50.0 mL of 0.80 M silver nitrate solution, 3.21 g of silver metal were collected. The unbalanced equation for this reaction is: Cu_{(s)} + AgNO_{3(aq)} \to...
What is the limiting reactant in the following reaction: Na_2CO_3 + Ca(NO_3)_2 \to CaCO_3 + 2NaNO_3?
Solid silver nitrate undergoes thermal decomposition to form silver metal, nitrogen dioxide, and oxygen. Write the chemical equation for this reaction. A 0.665 g sample of silver metal is isolated...
When a mixture of methane and chlorine is exposed to ultraviolet light, the following reaction occurs: CH_4(g) + 4Cl_2(g) to 4HCl(g) + CCl_4(l). If 53.9 g of methane reacted with 565 g of chlorine,...
Lime, Ca(OH)_2, can be used to neutralize an acid spill. A 5.57 g sample of Ca(OH)_2 reacts with an excess of hydrochloric acid, and 7.41 g of calcium chloride is collected. Ca(OH)_2 + 2HCl \to Ca...
Aluminum chloride, Al2Cl6, is an inexpensive reagent used in many industrial processes. It is made by treating scrap aluminum with chlorine according to the balanced equation. 2Al(s)+2Cl2(g) Al2Cl6...
A closed tank contains a vapor-liquid mixture of steam at 45 bar with liquid content 25% by mass. A) The pressure is changed to 80 bar. What is the temperature. B) The pressure is changed until...
Aluminum chloride, Al2Cl6, is an inexpensive reagent used in many industrial processes. It is made by treating scrap aluminum with chlorine according to the balanced equation. 2Al(s)+3Cl2(g) Al2Cl6...
Silicon carbide, an abrasive is made by the reaction of silicon dioxide with graphite. Mix 300. g of SiO2 and 203 g of C. If the reaction proceeds as far as possible, which reactant is left over? H...
What is the maximum amount of Ca3(PO4)2 that can be prepared from 12.9 g of Ca(OH)2 and 18.37 g of H3PO4?
A(n) _____ is a graphic depiction between the maturity and rate of return for bonds with similar risks. A. yield curve B. risk return profile C. aggregate demand curve D. supply function
Find the percent yield of naphthalene used with the provided information below: 1.009 g of a 1:1 ratio of benzoic acid and naphthalene were produced. The ending product yielded 0.121 g.
For the following reaction, 25.7 grams of diphosphorus pentoxide are allowed to react with 13.4 grams of water. Diphosphorus pentoxide (s) + water (l) to Phosphoric acid (aq) What amount of the e...
For the following reaction, 25.7 grams of diphosphorus pentoxide are allowed to react with 13.4 grams of water. Diphosphorus pentoxide (s) + water (l) to Phosphoric acid (aq) What is the formula f...
Tin(IV) chloride is produced in 81.1% yield by the reaction of tin with chlorine. How much tin is required to produce a kilogram of tin(IV) chloride?
if 2.00g of Sn is allowed to react with 2.00g of CuSO_4 according to: CuSO_4(aq) + Zn(s) \to ZnSO_4(aq) + Cu(s), how many grams of Zn will remain after the reaction is complete?
C_{10}H_{22} reacts with O_2 according to the following unbalanced chemical equation: C_{10}H_{22} + O_2 \to 2CO_2 + H_2O Calculate the mass in grams of the excess reagent remaining after the com...
The percent yield of the following reaction is consistently 92%. CH4(g) + 4S(g) to CS2(g) + 2H2S(g) How many grams of sulfur would be needed to obtain 80.0 g of CS2?
Gasoline is produced from crude oil, a non-renewable resource. Ethanol is mixed with the gasoline to produce a fuel called gasohol. Calculate the mass of water produced when 100.0 g of ethanol, C2H...
On September 25, 2016, Lucas Corporation had a market price of $82 per share of common stock. For the previous year, Lucas paid an annual dividend of $5.74 per share. Compute the dividend yield for...
Elemental phosphorus reacts with chlorine gas according to the equation: P4 (s) + 6 Cl2 (g) to 4 PCl3 (l) A reaction mixture initially contains 45.21 g P4 and 130.4 g Cl2. Once the reaction has o...
What is the mass/mass percent concentration of a solution that contains 5.02 grams of sodium chloride in 100 mL of solution and has a mass of 103 grams? Show your calculation.
In a particular experiment, 225 g of phosphorus, P4, reacted with excess oxygen to form tetraphosphorus decoxide, P4O10,an in 89.5% yield. In a second step reaction with water, a 97.8% yield of H3...
When 65.00 mL of 0.182 M CuBr2 is mixed with 55.00 mL of 0.147 M (NH4)2CrO4, the following reaction takes place: (NH4)2CrO4 (aq) + CuBr2 (aq) to CuCrO4 (s) + 2 NH4Br (aq) Calculate (NH4+) and (Cu2...
When 65.00 mL of 0.182 M CuBr2 is mixed with 55.00 mL of 0.147 M (NH4)2CrO4, the following reaction takes place: (NH4)2CrO4 (aq) + CuBr2 (aq) to CuCrO4 (s) + 2 NH4Br (aq) Determine the mass in gra...
When 65.00 mL of 0.182 M CuBr2 is mixed with 55.00 mL of 0.147 M (NH4)2CrO4, the following reaction takes place: (NH4)2CrO4 (aq) + CuBr2 (aq) to CuCrO4 (s) + 2 NH4Br (aq) What is the limiting reac...
The following combustion reaction of magnesium below is performed in a sealed container with 5.0 L of oxygen at room temperature (298 K). At the end of the reaction, there is only magnesium and mag...
In a chemical reaction, what is the limiting reactant? A) The reactant that runs out first. B) The reactant that makes the most amount of product. C) The reactant that makes the least amount of...
Nitric acid can be reacted with zinc according to the following chemical equation: 4HNO3 (aq) + Zn(s) yields Zn(NO3)2(aq) + 2H2O (l) +2NO2(g) If 3.75 g of Zn is added to 175 ml of 0.500M HNO3, what...
Iron(II) sulfide reacts with hydrochloric acid according to the reaction: FeS(s)+2HCl(aq) to FeCl2(s)+H2S(g) A reaction mixture initially contains 0.250 mol FeS and 0.652 mol HCl. Once the reaction...
In making wine, glucose (C6H12O6) is fermented to produce ethanol (C2H5OH) and carbon dioxide (CO2), according to the following reaction. C6H12O6 = 2 C2H5OH + 2 CO2. (a) If the fermentation reacti...
If the percent yield for the reaction 2CO + O2 = 2CO2 was 65.8%, what mass of product in grams could be produced from a reactant mixture containing 35.0 grams of each reactant?
A mixture of 4.66 g H2 and 24.56 g N2 reacts to form ammonia (NH3). What substances are present after the reaction is over? How many grams of ammonia are formed? How many grams of the excess reagen...
If 2.0 g of Zn and 2.0 g of copper (II) chloride are reacted, zinc chloride and copper are produced. Calculate the amount of copper produced. What is the mass of remaining unreacted reactant? Zn(s)...
If 68 grams of Ba reacts with 95 grams of HBr: Ba+HBr -------> BaBr2 + H2 A) What is the limiting reagent? B) What is the excess reagent? C) How many grams of BaBr2 are produced?
Powdered zinc metal when heated with sulfur reacts vigorously producing zinc sulfide via: 8Zn(s) + S_8 (s) \to 8ZnS(s) Note the correct allotropic form of sulfur is S_8. (1) Given that one begi...
What is the theoretical yield (in grams) of the solid product when 4.53 g of iron(III) nitrate reacts in solution with 7.40 g sodium phosphate? Fe(NO3)3(aq) + Na3PO4(aq) --> FePO4(s) + NaNO3(aq) [u...
Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O. Suppose 4.05 g of hydrobromic acid is mixed with 3.4 g of sodiu...
Ammonium phosphate is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid with ammonia. What mass of ammonium phosphate is produced by the reaction of 2.87g of a...
For the following reaction, 28.1 grams of nitrogen monoxide are allowed to react with 12.6 grams of oxygen gas. nitrogen monoxide (g) + oxygen (g) nitrogen dioxide (g) a) What is the maximum amou...
To neutralize the acid in 10.7 mL of 18.0 MH_2SO_4 that was accidentally spilled on a laboratory bench top, solid sodium bicarbonate (sodium hydrogen carbonate) was used. The container of sodium bi...
What is the percent yield of a reaction in which 200.9 g of phosphorus trichloride reacts with excess water to form 122.2 g of HCl and aqueous phosphorous acid?
Calculating theoretical yield for reactions is a little trickier if the reagents do not combine in a 1:1 stoichiometry. In the acid/base reaction below, show your calculation for the theoretical yi...
Solid iron(III) oxide reacts with alluminum to produce solidiron metal and solid aluminum oxide. Assuming 100% yield, how many grams of Fe will be formed if 50.0 g of Al reacts with excess iron(III...
Zinc is reacted with hydrocloric acid to make hydrogen gas and zinc chloride. when 42.86 g of zinc is added to 40.11g of hydrochloric acid, 63.22g of zinc chloride were collected. a) Solve for th...
Paul is conducting an experiment where he has combined 56.0 grams of CaO with 100.0 mL of water at 25 degrees C, releasing some amount of steam as well. This produces the following equation: CaO(s)...
What is the mole ratio between BaCO3 and H2O? If the students wants to perform the reaction to obtain barium acetate and she has 20 grams of barium carbonate and 2 mol of CH3CO2H, which of these re...
The rate of return on investment also called the yield, is the relationship between the yearly (annual) inflow from the investment and the cost of the investment. For example, a $100 savings accoun...
For the reaction shown, compute the theoretical yield of product (in grams) for each of the following initial amounts of reactants. 2Al(s)+3Cl2(g) to 2AlCl3(s) 1) 7.7 g Al, 24.4 g Cl2 2) 0.230 g...
Combining 0.291 mol of Fe2O3 with excesscarbon produced 11.3 g of Fe. Fe2O3+3C --> 2Fe +3CO a) What is the actual yield of iron in moles? b) What was the theoretical yield of iron in moles? c) What...
How many moles of excess reactant are present when 328 mL of .196M sulfuric acid reacts with .428M of .204M sodium hydroxide to form water and aqueous sodium sulfate. _____moles excess reactant
Explain how to recognize a limiting reactant problem.
An aqueous solution containing 5.93 g of lead (II) nitrate is added to an aqueous solution containing 5.88 g of potassium chloride. Write the balanced chemical equation for this reaction. Be sure...
A student starts with 4.586 g of an unknown mixture of Na_2CO_3 and CaCl_2 cdot 2H_2O. They collect 1.356 g of the precipitate. They identified Na_2CO_3 as their limiting reagent. How many grams o...
Suppose 0.516g of lead(II) nitrate is dissolved in 50.mL of a 71.0mM aqueous solution of ammonium sulfate. Calculate the final molarity of lead(II) cation in the solution. You can assume the volume...
A reaction of 56.9 g of N a and 57.3g of B r 2 yields 65.0 g of N a B r . What is the percent yield? 2 N a ( s ) + B r 2 ( g ) 2 N a B r ( s )
A sealed container contains 9.00 grams of CH4 and 18.00 grams of O2. The mixture is ignited. How many grams of CO2 are produced?
The theoretical yield of sodium acetate is 0.5501 g. If the actual yield of sodium acetate is 0.4401 g, what is the percent yield for this experiment?
Decaborane, B10H14, was used as a fuel for rockets in the 1950's . It ignites spontaneously with O2 according to the following reaction: B10H14 + 11O2 ?? 5B2O3 + 7H2O. If a rocket's fuel tanks con...
Consider this reaction. KNO3(s)+Al(s)----->KNO2(s)+Al2O3(s) A. If 10.0 grams of potassium nitrate is reacted with 10.0 grams of aluminum metal, what is the yield of aluminum oxide? B. If 0.99 grams...
A balanced chemical equation used to prepare ammonium carbonate, (NH_4)_2CO_3, is: 2 NH_3 + CO_2 + H_2O \to (NH_4)_2CO_3 Which choice of reactant quantities shown below would result in the grea...
In an experiment in the lab, you are instructed to combine 42.6g solid copper powder with 84.0 g of HNO_3. The balanced reaction is given below. The copper powder is provided. The HNO_3 is supplied...
What is the theoretical yield in grams of NaCl given the following information? 1) 24.94mL of HCl 2) 24.80mL of NaOH Concentration of HCl is 1.093 M Concentration of NaOH is .9138 M
If 0.654 g of Zn(s) reacted with 20.00 mL of a 4.00 M HCl(aq) solution until no more H2(g) was observed to form, what is the concentration of HCl(aq) and the mass of Zn(s) remaining in the 20.00 mL...
Titanium, which is used to make airplane engines and frames, can be obtained from titanium(IV) chloride, which in turn is obtained from titanium(IV) oxide by the following process: A vessel contain...
Hydrogen cyanide is used to prepare sodium cyanide, which is used in part to obtain gold from gold-containing rock. If a reaction vessel contains 11.5 g NH3, 12.0 g O2, and 10.5 g CH4, what is the...
If 15.4 kg of Al2O3 with 57.4 kg of NaOH and 57.4 kg of HF react completely, how many kg of cryolite will be produced? Which reactants will be in excess? What is the total mass of excess reactants...
Describe how to determine the limiting reagent in the reaction of Acetic Acid + Propyl Alcohol --> Propyl Acetate + Water
A scientist starts with 0.74 g of copper wire and completes the procedures described in the lab manual ending with a final total mass of 0.66 g from which she removes 0.18 grams of Zn. What is the...
Iron(II) sulfide reacts with hydrochloric acid according to the reaction: FeS (s) + 2HCl (aq) \to FeCl (aq) + H_2S (s) A reaction mixture initially contains 0.221 mol FeS and 0.661 mol HCl. Once...
Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3NO_2(g)+H_2O(l) to 2HNO_3(l)+NO(g) Suppose that 4.3 mol NO_2 and 0.80 mol H_2O combine and...
When 73.3g of calcium and 47.2 grams of nitrogen gas undergo a reaction that has 84.5% yield, what mass of calcium nitride forms?
Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) + 3Cl_2(g) \to 2AlCl_3(s) What is the maximum mass of aluminum chloride that can be formed when reac...
Solutions of sodium hypochlorite, NaClO, are sold as a bleach (such as Clorox). They are prepared by the reaction of chlorine with sodium hydroxide. If you have 1.44 mol of NaOH in solution and 1.4...
Decide which reactant is the limiting reagent if you have 20.00 g of Be and 60.00 g of NH3. Once you have identified the limiting reagent, what is the theoretical yield (in grams) of H2? Show all c...
The combustion of liquid ethanol (C2H5OH) produces carbon dioxide and water. After 4.61 mL of ethanol (density = 0.789 g/mL) was allowed to burn in the presence of 15.60 g of oxygen gas, 3.73 mL of...
Propane (C_3H_8) is a common gas used for generating flames for cooking and camping. It undergoes a combustion reaction with excess oxygen (O_2) to yeld carbon dioxide (CO_2), water (H_2O), and hea...
Zinc metal can be obtained from zinc oxide, ZnO, by reaction at high temperature with carbon monoxide, CO. ZnO(s) + CO(g) to Zn(s) + CO_2(g) The carbon monoxide is obtained from carbon. 2C(s) + O_2...
Zinc dissolves in hydrochloric acid to yield hydrogen gas. Zn(s) + 2HCl(aq) arrow ZnCl2(aq) + H2(g) What mass of hydrogen gas is produced when excess zinc dissolves in 300 mL of 1.200 M HCl?
Zinc and sulfur react to form zinc sulfide. If 8.00 grams of zinc and 8.00 grams of sulfur are available for this reaction, calculate the mass of zinc sulfide that will be produced.
Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows. Zn(s) + 2HCl(aq) to ZnCl_2(aq) + H_2(g) What mass of hydrogen gas is produced when a 4.30 g sample of zinc dissolves in 250.m...
Zinc reacts with hydrochloric acid based on the following equation: Zn + 2HCl to ZnCl2 + H2. If 150 g of Zn reacts with 73 g of HCl, a) Which reactant is the limiting reagent? b) What mass of ZnCl2...
Zn and S react to form Zinc (II) Sulfide, ZnS. Zn + S = ZnS a. Determine the limiting reactant if 50.0 g of Zinc reacted with 60.0 g of Sulfur. b. How many grams of ZnS will theoretically be form...
You react 25.0 g hydrogen gas with 73.7 g oxygen gas. Determine the mass of water that can be produced from these reactants.
You mix 4.0 mL of 0.50 M Cu(NO_3)_2 with 3.0mL of 0.50 M KI, and collect and dry the CuI precipitate. What mass of CuI do you expect to obtain from this reaction?
You just sold 400 shares of stock for $35.60 per share. One year ago, you purchased the stock for $31.15 per share and have received dividends totaling $0.85 per share. What is your total capital g...
You mix 6.0 mL of .50 M cupric nitrate with 1.0 mL of .50 m KI and collect and dry the CuI precipitate. Calculate the following: A. moles of cupric nitrate used B. moles of KI used C. moles of Cu...
You mix 25.0 mL of 0.234 M FeCl3 with 42.5 mL of 0.453 M NaOH. a. What mass of Fe(OH)3 will precipitate from this reaction mixture? b. One of the reactants is present in stoichiometric excess. What...
You mix 100 mL of 0.100 M calcium chloride with 100.0 mL of 0.100 M silver nitrate. What species are in solution when the reaction is complete?
You have 75.0 ml of a 2.50 M solution of sodium chromate(aq). You also have a 125 ml of a 2.23 M solution of silver nitrate(aq). Write out the complete reaction using symbols (silver chromate is th...
You have 75.0 mL of a 2.50 M solution of Na_2CrO_4(aq). You also have 125 mL of a 1.63 M solution of AgNO_3(aq). Calculate the concentration of Ag^+ after the two solutions are mixed together.
You burn 150.0 grams of C4H10O in 320.0 grams of O2. What is the limiting reactant?
You burn 150.0 grams of C4H10O in 320.0 grams of O2. How many moles of H2O can be produced?
You burn 150.0 grams of C4H10O in 320.0 grams of O2. How many moles of CO2 can be produced?
You burn 19.2 grams of diboron hexahydride and are able to collect 15.7 grams of water. What is your percent yield? B2H6 + O2 arrow HBO2 + H2O
You are working at Arab Bank. One of your clients is confused about two terms on some certificate-of-deposit rates quoted at your bank. You explain that the stated annual interest rate is an annua...
You carefully weigh out 15.00 g of CaCO_3 powder and add it to 60.75 g of HCl solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a ma...
You are generating copper hydroxide. a. If you start with 3.60 grams of Cu and react it with an excess of nitric acid and water, what mass of copper hydroxide would you expect to recover? b. If you...
You are given the balanced chemical equation: \\ C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O \\ If 0.3818 moles of C_3H_8 and 1.718 moles of O_2 are allowed to react, and this is the only reaction whic...
Write the net ionic equation for the reaction that occurs between sodium sulfate and potassium chromate.
Write the reaction table for the reaction of 25.0g of rust with 16.3g of aluminum. What is the limiting reagent? How much aluminum oxide will the reaction produce?
Write the balanced molecular equation for the reaction that occurs between sodium sulfate and potassium chromate.
Write an equation for an aqueous to convert the product of A into a soap.
Write a molecular equation for the precipitation reaction that occurs when the following solutions are mixed. Copper (II) nitrate and sodium sulfate
Wollastonite, CaSiO_3 can be used to prepare silicon tetrafluoride, SiF_4, which is used in organic synthesis, as shown below: CaSiO_3(s) + 6HF(g) right arrow SiF_4(g) + CaF_2(s) + 3H_2O(l) If you...
Write a balanced molecular equation, and net ionic equation for the following reaction. Iron(III) acetate + Lead (II) nitrate to
Write a balanced chemical equation for the reaction of 4-Nitrobenzaldehyde and sodium borohydride (NaBH_4). If 0.21 g of 4-nitrobenzaldehyde dissolved in 10 mL of methanol is mixed with 0.14 g of s...
Which substance is the limiting reactant when 4.0 grams of sulfur reacts with 6.0 grams of oxygen and 8.0 grams of sodium hydroxide according to the following chemical equation? 2S(s) + 3O2(g) + 4N...
Which reagent is the limiting reactant when 1.70 moles of NaOH and 1.00 moles of CO2 are allowed to react? 2NaOH(s) + CO2(g) arrow Na2CO3(s) + H2O(l)
Which reactant, and how much of it remains after the reaction of 40.0g of V 2 O 5 (FW=181.9/mol) with 40g of calcium based on the following chemical equation V 2 O 5 + 5 C a 2 V + 5 C a O How...
Which reactant, and how much of it, remains after the reaction of 40.0 g of V2O5 (FW = 181.9 g/mol) with 40.0 g of calcium based on the following chemical equation? V2O5 + 5 Ca → 2 V +...
Which reactant and how much of it remains after the reaction of 40.0 g of V2O5 (FW=181.9 g/mol) with 40.0 g of calcium based on the following equation? V2O5 + 5Ca = 2V + CaO
Which reactant is in excess when 35.0 g of hydrogen is reacted with 276 g of oxygen to form water? A) H \\B) O \\C) O_2 \\D) H_2 \\E) H_2O
Which of the following yields on a stock can be negative? a) Dividend yield b) Dividend yield, capital gains yield, and total return c) Capital gains yield d) Dividend yield and total return e) Cap...
Which of the starting materials in the balanced reaction below is the limiting reagent if we combine 10 grams of C2H6O and 18 grams of O2? 2C2H6O + O2 arrow 2C2H4O + 2H2O
Which of the following statements is false? (a) The limiting reactant is completely consumed in a chemical reaction. (b) The theoretical yield is the amount of product that can be made based on the...
Which of the following statements concerning the limiting reactant is/are correct? 1. The mass of the limiting reactant is always the lowest mass of all reactant masses. 2. The theoretical yield d...
Which of the following statements is not true? A. percent yield = (actual yield / theoretical yield) x 100% B. The theoretical yield is the amount of product that can be made based on the amount of...
Which of the following statements is false? a) The limiting reactant is completely consumed in a reaction. b) There may not be more than one limiting reactant. c) If a reactant is left over after a...
Which of the following expressions represents the amount of product predicted by stoichiometric calculations? a) actual yield. b) stoichiometric yield. c) theoretical yield. d) production yield. e)...
Which of the compounds in the balanced reaction below is the limiting reagent if 20 grams of NO and 29 grams of H2 are combined to prepare H2O as the target product? 2H2 + 2NO arrow N2 + 2H2O
Which is the limiting reagent in the reaction between Copper Sulfate pentahydrate and ammonia?
Which is the limiting reactant when 3.00 mol of MnO_2 are reacted with 10.0 mol of HCl in the following equation? \\ MnO_2 + 4HCl \rightarrow MnCl_2 + 2H_2O + Cl_2 \\ A.\ MnO_2\\ B.\ HCl\\ C.\...
Which ingredient is the limiting reactant if you have 5 cups of flour, 9 eggs, and 3 tablespoons of oil? Given: 2 cups of flour + 3 eggs + 1 tbs of oil = 4 waffles a. waffles b. flour c. oil d. eg...
When you think about things that you encounter in daily life - there are many examples of limiting reactants. Describe non-chemical examples of limiting reactants, and when you are comfortable with...
When producing gasoline (assume C8H18) from coal (assume pure carbon) and hydrogen gas, what mass of coal will react with 50.0 kmol of hydrogen?
When solution of silver nitrate, AgNO3, and calcium Iodide, Cal2, are mixed, a yellow precipitation of silver iodide is formed. Calculate the mass of silver iodide that is formed in 50 mL of 1.00 M...
When performing a mass to mass stoichiometry problem, explain why masses should be converted to moles rather than directly using the mass of reactants to predict the mass of products.
When the reddish-brown mercury(II) oxide (HgO) is heated, it decomposes to its elements, liquid mercury metal and oxygen gas. If 4.58 g HgO is decomposed to Hg, calculate the mass of the pure Hg me...
When hydrogen sulfide gas is bubbled into a solution of sodium hydroxide, the reaction forms sodium sulfide and water. How many grams of sodium sulfide is formed if 13.36 g of hydrogen sulfide are...
when is 547g of calcium is reacted with nitrogen gas,25.3 g of calcium nitride is produced. what is percent yield of calcium nitride for the reaction? 3Ca(s)+N_2(g)\rightarrow Ca_3N_2(s)
When hydrogen sulphide gas is bubbled into a solution of sodium hydroxide, the reaction forms sodium sulphide and water. How many grams of sodium sulphide are formed if 1.20 g of hydrogen sulphide...
When heated, lithium reacts with nitrogen to form lithium nitride. 6Li(s) + N2(g) arrow 2Li3N(s) a. What is the theoretical yield of Li3N in grams when 12.9 grams of Li is heated with 35.2 grams of...
When nitrogen gas reacts with oxygen gas, dinitrogen trioxide gas is formed. In a particular reaction 3.20 g of oxygen were used, 4.50 g of dinitrogen trioxide were produced. Calculate the theoreti...
When mixed, solutions of silver nitrate, A g N O 3 , and sodium sulfate, N a 2 S O 4 , form a precipitate of silver sulfate, A g 2 S O 4 . The balanced equation is: 2 A g N O 3 ( a q ) + N a 2...
When magnesium metal and an aqueous solution of hydrochloric acid combine, they produce an aqueous solution of magnesium chloride and hydrogen gas. Using the equation: Mg (s) + 2HCl (aq) = MgCl2...
When heated, lithium reacts with nitrogen to form lithium nitride: 6 L i ( s ) + N 2 ( g ) 2 L i 3 N ( s ) . (a) What is the theoretical yield of L i 3 N in grams when 12.3 g of L i is heat...
When methane, C H 4 , is combusted, it produces carbon dioxide, C O 2 , according to the unbalanced equation: C H 4 + O 2 C O 2 + H 2 O . Write the balanced equation for this reaction, and ex...
When a mixture of aluminum powder and iron(III) oxide is ignited, it produces molten iron and aluminum oxide. In an experiment, 5.40 g of aluminum was mixed with 18.50 g of iron(III) oxide. At the...
When ammonia and oxygen are reacted, they produce nitric oxide and water. When 8.5 g of ammonia is allowed to react with an excess of O_2, the reaction produces 12.0 g of nitrogen monoxide. What is...
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. \\ CaCO_3(s) + 2HCl(aq) \to CaCl_2(aq) + H_2O(l) + CO_2(g) \\ A. How many grams of c...
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3(s) + 2HCl(aq) arrow CaCl2(aq) + H2O(l) + CO2(g) a. How many grams of calcium ch...
When calcium hydroxide is mixed with sodium phosphate, calcium phosphate precipitates out of solution. If 4.12 grams of calcium hydroxide is mixed with 5.02 grams of sodium phosphate in 500 mL of w...
When calcium reacts with water, calcium hydroxide and hydrogen are produced. If 25.0 grams of calcium reacts with 25.0 grams of water, what is the mass of the calcium hydroxide produced? Determine...
When benzene ( C 6 H 6 ) reacts with bromine ( B r 2 ), bromobenzene ( C 6 H 5 B r ) is obtained: C 6 H 6 + B r 2 C 6 H 5 B r + H B r . A. What is the theoretical yield of bromobenzene in this...
When copper (II) sulfate pentahydrate ( C u S O 4 5 H 2 O ) is heated, it decomposes to the dehydrated form. The waters of hydration are released from the solid crystal and form water vapor.The h...
When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from a mixture of 3.0 grams of Ag and 3.0 grams of S8? 16Ag(s) + S8(s) ar...
When combining zinc metal with hydrochloric acid, you notice that you run out of zinc and still have plenty of hydrochloric acid to continue the reaction. What is the term used to describe the zinc...
When benzene reacts with bromine, bromobenzene is obtained. C6H6 + Br2 arrow C6H5Br + HBr A. What is the theoretical yield of bromobenzene in this reaction when 30.0 grams of benzene reacts with 65...
When a solution of potassium iodide is mixed with a solution of lead nitrate, a bright yellow solid precipitate forms. Calculate the mass of the solid produced (molar mass = 461 g/mol) when startin...
When calcium carbonate is added to hydrochloric acid calcium chloride ,carbon dioxide, and water are produced. CaCO_3(s) + 2HCl(aq) \to CaCl_2(aq) + H_2O(l) + CO_2(g) How many grams of calcium chl...
When aqueous solutions of K_2SO_4 and Pb(NO_3)_2 are combined, PbSO_4 precipitates. Calculate the mass, in grams, of the PbSO_4 produced when 2.04 mL of 0.117 M Pb(NO_3)_2 and 4.16 mL of 0.692 M...
When a 100.0 mL portion of a solution containing 0.500 g of silver nitrate is mixed with 100.0 mL of a solution containing 0.300 g of K2CrO4, a bright red precipitate of Ag2CrO4 forms. How much pre...
When 25.0 g Mg(OH)_2 and 25.0 g HCl are mixed and reacted, the amount of unreacted material will be Mg(OH)_2 + 2HCl to MgCl_2 + 2H_2O (a) 9.34 g HCl (b) 2.96 g HCl (c) 5.00 g Mg(OH)_2 (d) 15.0 g M...
When a 3.80 g sample of magnesium nitride (MW 101g/mol) is reacted with 3.30 g of water, 3.60 g of MgO is formed. What is the percent yield of this reaction? Mg3N2 + 3 H2O --> 2 NH3 + 3 MgO
When 15.2 g of aluminum (26.98 g/mol) reacts with 14.9 g of oxygen gas (32.00 g/mol), what is the maximum mass (in grams) of aluminum oxide (101.96 g/mol) that can be produced? 4 Al(s) + 3 O_2(g) t...
When 10mL of 2M Na2CO3 solution is mixed with 8mL of 1M HCl solution, CO2 is produced: Na2CO3(aq) + 2HCl(aq) -> 2NaCl(aq) + CO2(g) + H2O(l) Which reactant is the limiting reactant (the reactant w...
When 62.1 g of calcium is reacted with nitrogen gas, 27.7 g of calcium nitride is produced. What is the percent yield of calcium nitride for this reaction? 3Ca(s) + N_2(g) rightarrow Ca_3N_2(s)
When a chemical reaction is carried out in an industrial setting, it is very common to have one of the reactants present in an excess amount above the stoichiometric quantity that would be needed f...
When 14 g of baking soda (NaHCO_3) is added to 550.0 mL of vinegar (an aqueous solution of CH_3COOH at 5% concentration by mass), the vinegar neutralizes the baking soda and converts it to CO_2 gas...
When 60.0 grams of iron reacts with 26.0 grams of oxygen, how many grams of the excess reactant remain after the reaction is complete? 4Fe + 3O2 arrow 2Fe2O3
When 60.0 grams of iron reacts with 26.0 grams of oxygen, what is the limiting reactant? 4Fe + 3O2 arrow 2Fe2O3
When 450.0 grams of hydrogen reacted with nitrogen, 1575.0 grams of ammonia were produced. What is the percent yield of this reaction? N2 + 3H2 arrow 2NH3
When 25.0 grams of Al(OH)3 reacts with 45.0 grams of H2SO4, what is the limiting reactant? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 35.0 grams of Al(OH)3 reacts with 35.0 grams of H2SO4, how many grams of the excess reactant remain after the reaction is complete? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 35.0 grams of Al(OH)3 reacts with 35.0 grams of H2SO4, what is the limiting reactant? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 35.0 grams of Al(OH)3 reacts with 35.0 grams of H2SO4, how many moles of Al2(SO4)3 can be produced? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 123.0 grams of aluminum sulfide reacts with 143.0 grams of water, what mass of the excess reactant remains? Al2S3 + H2O arrow Al(OH)3 + H2S
When 123.0 grams of aluminum sulfide reacts with 143.0 grams of water, what is the limiting reagent? Al2S3 + H2O arrow Al(OH)3 + H2S
When 0.316 moles of Fe2O3 reacts with excess carbon, what is the theoretical yield of carbon monoxide in moles? Fe2O3 + 3C arrow 2Fe + 3CO
When 56.6 grams of calcium is reacted with nitrogen gas, 32.4 grams of calcium nitride is produced. What is the percent yield of calcium nitride for this reaction? 3Ca(s) + N2(g) arrow Ca3N2(s)
When 85.6 grams of NH3 reacts with 85.6 grams of O2, what is the limiting reactant? 4NH3(g) + 5O2(g) arrow 4NO(g) + 6H2O(g)
When 75.0 grams of nitrogen reacts with 45.0 grams of hydrogen to form ammonia, what is the limiting reactant?
When 4.0 grams of Fe reacts with 3.5 grams of O2, what is the limiting reactant? 4Fe + 3O2 arrow 2Fe2O3
When 157.3 grams of aluminum sulfide reacts with 143.0 grams of water, what is the limiting reactant? Al2S3 + H2O arrow Al(OH)3 + H2S
When 157.3 grams of aluminum sulfide reacts with 143.0 grams of water, what mass of the excess reactant remains? Al2S3 + H2O arrow Al(OH)3 + H2S
When 250.0 grams of NH3 reacts with 600.0 grams of O2, how many grams of NO will be produced theoretically? NH3(g) + O2(g) arrow NO(g) + H2O(l)
When 1.151 atm of carbon monoxide reacts with 1.453 atm of oxygen at a constant temperature in a closed rigid container, what is the theoretical yield (in atm) of carbon dioxide?
When 5.58 grams of H2 reacts according to the following balanced equation, 32.8 grams of H2O are formed. What is the percent yield of the reaction? 2H2(g) + O2(g) arrow 2H2O(g)
When 5.00 grams of Zn reacts with an excess of AgNO3, how many grams of silver can be produced? Zn + 2AgNO3 arrow 2Ag + Zn(NO3)2
When 5.00 grams of Zn reacts with an excess of AgNO3, 14.7 grams of silver are produced. What is the percent yield? Zn + 2AgNO3 arrow 2Ag + Zn(NO3)2
When 10.1 grams of Mg reacts with 10.6 grams of O2, what is the limiting reactant? 2Mg(s) + O2(g) arrow 2MgO(s)
When 22.0 grams of aluminum carbide is allowed to mix with 21.0 grams of water, gaseous methane and aluminum hydroxide are produced. How many grams of methane will be produced?
When 22.0 grams of aluminum carbide is allowed to mix with 21.0 grams of water, gaseous methane (CH4) and aluminum hydroxide are produced. What is the limiting reactant?
When 30.4 grams of Al(OH)3 and 50.4 grams of H2SO4 are reacted, how many grams of Al2(SO4)3 are produced? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 30.4 grams of Al(OH)3 and 50.4 grams of H2SO4 are reacted, which reactant is in excess? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 25.0 grams of Al(OH)3 and 25.0 grams of H2SO4 are reacted, what is the limiting reactant? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 25.0 grams of Al(OH)3 and 25.0 grams of H2SO4 are reacted, how many moles of Al2(SO4)3 can be produced? 2Al(OH)3 + 3H2SO4 arrow Al2(SO4)3 + 6H2O
When 14.387 g of aluminum (26.982 g/mol) are reacted with 127.657 g of copper(II) sulfate (159.609 g/mol), solid copper and aluminum sulfate are formed. Which reactant(s) is/are the limiting reac...
When 0.100 L of a 3.0 M H2S solution is added to 500 mL of a 6.00 M Ba(OH)2 solution, a reaction occurs according to the equation below. What mass of BaS will be precipitated? H2S(aq) + Ba(OH)2(aq)...
When 0.100 L of a 3.0 M H2S solution is added to 500 mL of a 6.00 M Ba(OH)2 solution, a reaction occurs according to the equation below. H2S(aq) + Ba(OH)2(aq) arrow BaS(s) + H2O(l) What concentrati...
When 15.0 grams of Sb2S3 reacts with an excess of Fe, 9.64 grams of antimony is produced. What is the percent yield of this reaction? Sb2S3 + 3Fe arrow 2Sb + 3FeS
When 0.3295 grams of salicylic acid is reacted with excess acetic anhydride, you find that it produced 0.3795 grams of aspirin. What is the percent yield?
When 0.56 moles of CuCl2 reacts with 0.64 moles of KI, what is the limiting reactant? 2CuCl2 + 4KI arrow 2CuI + 4KCl + I2
When 21.44 moles of Si react with 17.62 moles of N2, how many moles of the excess reactant are left over at the end of the reaction? 3Si + 2N2 arrow Si3N4
When 21.44 moles of Si react with 17.62 moles of N2, what is the limiting reactant? 3Si + 2N2 arrow Si3N4
When 11.2 grams of NiS2 reacts with 5.43 grams of O2, 4.86 grams of NiO are obtained. Determine the limiting reagent, the theoretical yield of NiO, and the percent yield for the reaction. 2NiS2(s)...
When 10.0 grams of P4 is reacted with 3.00 atm of Cl2 at 100.0 degrees Celsius in a 10.0 L container, the only product of the reaction is PCl5. a. What is the name of each reaction component? b. Wh...
When 24 moles of methanol and 15 moles of oxygen combine in the combustion reaction below, what is the excess reactant and how many moles of it remain at the end of the reaction? 2CH3OH + 3O2 arrow...
When 1,000 grams of hexane is mixed with 3,000 grams of oxygen, how many moles of the excess reagent (hexane or oxygen) will remain? C6H14 + O2 arrow CO2 + H2O
When 10.0 moles of V2O5 are mixed with 10.0 moles of Ca, which is the limiting reactant according to the following reaction? V2O5(s) + Ca(l) arrow 2V(l) + CaO(s)
When 280 mL of 1.50 x 10^(-4) M hydrochloric acid is added to 125 mL of 1.75 x 10^(-4) M Mg(OH)_2, what will the resulting solution be?
When 2.05 grams of aluminium metal are dropped in 650.0 mL of 6.0 M hydrochloric acid, how many litres of gas are evolved at 20 degree C and 1.07 atm?
When 16.0 g of KOH reacts with 12.0 g of HNO3, determine which reactant is limiting and which is in excess. KOH + HNO3 arrow KNO3 + H2O
When 60 grams of Na2O2 reacts with 30 grams of H2O, what is the limiting reactant? Na2O2 + H2O arrow NaOH + H2O2
When 250. mL of a 0.15 M solution of ammonium sulfide is poured into 120. mL of a 0.053 M solution of cadmium sulfate, how many grams of a yellow precipitate of CdS are formed? The other product is...
When a chemist mixed 3.43 g of LiOH and 180 mL of 0.68 M HCl in a constant-pressure calorimeter, the final temperature of the mixture was 25.2 degrees Celsius. Both the HCl and LiOH had the same in...
When 210.0 mL of 0.340 M K2CrO4(aq) are added to 210.0 mL of 1.10 * 10^{-2} M AgNO3(aq), what percentage of the Ag^+ is left unprecipitated?
When 6.5 ATM of nitrogen reacts with 15 atm of hydrogen at a constant temperature in a closed rigid container what is the theoretical yield (in atm) of ammonia?
When 9.0 g of hydrogen gas, H2, reacts with oxygen gas, O2, 73.0 g of water is produced. a) What is the theoretical yield of water? b) What is the percentage yield?
When 6.0 mol H 2 O react with 5.0 mol A l in the reaction below, 4.0 mol of A l are used up in the reaction. How many moles of A l remain unreacted? 2 A l + 3 H 2 O A l 2 O 3 + 3 H 2 a....
When 77.2 g of calcium and 39.5 g of nitrogen gas undergo a reaction that has a 79.7% yield, what mass of calcium nitride forms?
When 8.30 mol Mg react with 13.5 mol HCl, what is the limiting reactant and how many moles of H2 can be formed? unbalanced equation: Mg + HCl → MgCl2 + H2 - HCl is the limiting reac...
When 31.2 mL of 0.500 M AgNO3 is added to 25.0 mL of 0.300 M NH4Cl, how many grams of AgCl are formed? Molar masses of AgCl = 143.3 g/mol, AgNO3 = 169.9 g/mol, and NH4Cl = 53.49 g/mol AgNO3 (aq) +...
When 45.0 g of Mg(OH)2 reacts with 45.0 g of HCl according to the equation below, Mg(OH)2 produces 0.772 mol of MgCl2 and HCl produces 0.616 mol of MgCl2. What compound is the limiting reagent? Mg(...
When 1.0 gram of CaCl_2 2H_2O and 1.0 gram of Na_2CO_3 are used, how many grams of CaCO_3 would be produced? Explain.
When 12.1461 g of calcium metal is reacted with 8.3259 g of water, 4.3728 g of calcium hydroxide was produced as well as some hydrogen gas. a. What is the theoretical yield of calcium hydroxide? b....
When 74.4g of calcium and 58.1g of nitrogen gas undergo a reaction that has a 75.1 \% yield, what mass of calcium nitride forms?
When 97.3 g of calcium and 38.6 g of nitrogen gas undergo a reaction that has a 80.1% yield, what mass of calcium nitride forms?
What would be the theoretical yield of this Grignard reaction with the product being benzoic acid? 30 g dry ice.
What would be the theoretical yield when 1.8 g of magnesium,7.40 g of 2-bromopropane and 3.40 g of 4-methoxybenzaldehyde are reacted?
What would be the expected effect on yield if only 1 mole of diethylamine per mole of -chloro-2,6-dimethylacetanilide were used in the final step of the preparation of lidocaine? Explain.
What would be the effect on the results of mistakenly adding 2.43 times 10^{-3} g Mg to 4.0 mL of 0.1 M HCl, rather than to 4.0 mL of 1.0 M HCl as instructed?
What weight of AgCI will be precipitated when a solution containing 4.77 g of NaCI is added to a solution of 5.77 g of AgNO_3?
What volume (mL) of the solvent H_{2}O should be added to 136 mL of the solute CH_{3}OH to make a solution that is 1.12 parts per hundred by mass CH_{3}OH? (in mL)
What volume of H2O(g) is produced when 6.70 moles of C2H4(g) reacts at STP? C2H4(g) + 3O2(g) arrow 2CO2(g) + 2H2O(g)
What volume of H2 (at 25 C and 1.00 atm ) can be produced by the reaction of 161 g of Fe and 202 g of HCl? (Atomic weights: Fe =55.85, Cl = 35.45, H = 1.008). Fe + 2 HCl FeCl2 +H2. (Make sure you p...
What volume of sulfur dioxide gas will be consumed when 12.0 L of oxygen is consumed according to the following equation? 2 S O 2 ( g ) + O 2 ( g ) 2 S O 3 ( g )
What volume of H2 gas, measured at 21 degrees Celsius and 689 torr, can be obtained by reacting 6.29 g of zinc metal with 131 mL of 0.245 M HCl? 2HCl(aq) + Zn(s) arrow ZnCl2(aq) + H2(g)
What volume of H2 gas (in liters), measured at 21 degrees Celsius and 689 torr, can be obtained by reacting 6.29 grams of zinc metal with 131 mL of 0.245 M HCl? 2HCl(aq) + Zn(s) arrow ZnCl2(aq) + H...
What volume of H_2 is produces at STP from 3.0 mole CaH_2 and excess H_2O with a 50% yield? \\ CaH_2 + 2H_2O \to Ca(OH)_2 + 2H_2
What types of events happen in chemical reactions that lead to percentage yields of less than 100%?
What volume of 3.84 M hydrochloric acid is required to consume 4.12 grams of zinc to form aqueous zinc chloride and hydrogen gas?
What percentage of the original A g + remains in solution when 180 mL of 2.10 10 2 M A g N O 3 is added to 240 mL 3.76 10 2 M K 2 C r O
What mass of carbon dioxide is formed when 60 grams of carbon is burned in 750 grams of oxygen?
What mass of CCl4 is formed by the reaction of 8.58 grams of methane with excess chlorine? CH4 + Cl2 arrow CCl4 + HCl
What mass of copper is produced from the reaction of 7.30 grams of Cu2S with excess oxygen? Cu2S(s) + O2(g) arrow Cu(s) + SO2(g)
What mass of NaOH would be required to produce 4.47 grams of Mg(OH)2 in the following reaction? MgCl2 + 2NaOH arrow Mg(OH)2 + 2NaCl
What mass of aluminum is required to completely react with 85.0 grams of O2? 4Al + 3O2 arrow 2Al2O3
What mass in grams of AgCl is produced when 4.35 grams of AgNO3 reacts with 7.75 grams of AlCl3? 3AgNO3 + AlCl3 arrow Al(NO3)3 + 3AgCl
What mass of potassium chloride can be produced directly from 5.5 grams of potassium and 7.8 grams of chlorine? 2K + Cl2 arrow 2KCl
What mass of Al2(SO4)3 is produced when 12.5 grams of H2SO4 reacts with excess Al in the following reaction? 2Al(s) + 3H2SO4(aq) arrow Al2(SO4)3(aq) + 3H2(g)
What mass of aspirin can be prepared by reacting 5.00 g of salicylic acid with an excess of acetic anhydrous?
What mass of solid PbCl2 is formed when 200 mL of 0.125 M Pb2+ is mixed with 400 mL of 0.175 M Cl-?
What mass of aluminum oxide is required to prepare 27 g of aluminum?
What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.850 L of 0.220 M NaI? Assume the reaction goes to completion.
What mass of water (in grams) forms from the reaction of 2.49 L of hydrogen gas and 1.92 L of oxygen gas? Both gases are at 738 torr and 27.3 degrees Celsius.
What mass in grams of NaOH is produced if 5.26 grams of Na metal reacts with excess water according to the following reaction? 2Na + 2H2O arrow 2NaOH + H2
What mass of PF_3 would be produced if 0.5 g of P_4 and 0.5 g of F_2 react with a 78.1 % yield?
What mass of P4 is needed to produce 52.6 grams of PI3 if the reaction has an 86.0% yield according to the following reaction? P4 + I2 arrow PI3
What mass of precipitate will form if 1.50 L of excess Pb(ClO3)2 is mixed with 0.250 L of 0.250 M NaI? Assume 100% yield and neglect the slight solubility of PbI2. Pb(ClO3)2(aq) + 2NaI(aq) arrow Pb...
What mass of calcium carbonate in grams will be produced from 1.67 moles of sodium carbonate? Ca(OH)2(aq) + Na2CO3(aq) arrow CaCO3(s) + 2NaOH(aq)
What mass of precipitate will form if 1.5 L of excess Pb(ClO3)2 is mixed with 0.550 L of 0.270 M NaI? Assume 100% yield and slight solubility of PbI2. Pb(ClO3)2 + 2NaI(aq) arrow PbI2(s) + 2NaClO3(aq)
What mass of hydrogen gas could be produced from the reaction of 25.5 g of urea and 25.5 g KOH?
What mass of CO_2 could be formed by the reaction of 15.0 g of CH_4 with 38.0 g of O_2. This is the balanced equation CH_4 +2O_2 to CO_2 + 2H_2O. (a) Find the mass of CO_2 produced (b) Find the...
What mass of magnesium nitride can be made from the reaction of 1.22 g of magnesium with excess nitrogen? \\ 3Mg + 1N_2 \rightarrow 1Mg_3N_2 \\ A. 1.69 g B. 15.2 g C. 5.07 g D. 5.02 g
What mass of silver bromide would be formed when 75.0 g of FeBr_3 and 65.0 g of Ag(NO_3)_3 are reacted? Identify the limiting and excess reactant (by formula). FeBr_3(aq) + 3AgNO_3(aq) => Fe(NO_3)_...
What mass of Sb would be produced if 0.46 grams of Sb2O3 were used in this reaction? Sb2O3 +3C arrow 2Sb + 3CO
What mass of oxygen will react with 2.64 g of magnesium? 2Mg(s) + O_2(g) => 2MgO(s)
What mass (in g) of hydrogen sulphide will be required to precipitate 15 g of copper sulphide from a copper (II) tetraoxosulphate (VI) solution?
What mass in grams of the magnetic oxide of iron (Fe_3O_4) can be made from 26.0 g of pure iron and an excess of oxygen? The equation is Fe + O_2 \to Fe_3O_4 ( not balanced )
What is the volume of NH3 produced in the following reaction when 3.0 L of N2 reacts with 4.0 L of H2? N2(g) + 3H2(g) arrow 2NH3(g)
What is the % yield of water if 138 g water is produced from 16 g hydrogen gas and excess oxygen gas? What if oxygen gas was not in excess?
What is the theoretical yield of ammonia, in kg, that we can synthesize from 5.34 kg of H_2 and 34.3 kg of N_2?
What is the theoretical yield (in grams) of ethanol from the fermentation of 75.0 grams of glucose? C6H12O6 arrow 2CH3CH2OH + 2CO2
What is the theoretical yield of H2O if 0.220 moles of octane reacts with 0.610 moles of oxygen? 2C8H18 + 25O2 arrow 16CO2 + 18H2O
What is the theoretical yield of carbon dioxide if 0.220 moles of octane reacts with 0.610 moles of oxygen? 2C8H18 + 25O2 arrow 16CO2 + 18H2O
What is the theoretical yield of Li3N in grams when 12.5 grams of Li is heated with 34.1 grams of N2? 6Li(s) + N2(g) arrow 2Li3N(s)
What is the theoretical yield of Ca(OH)2 when 5.00 grams of CaO is reacted with excess water? CaO(s) + H2O(l) arrow Ca(OH)2(s)
What is the theoretical yield of CaO if 24.8 grams of CaCO3 is heated? CaCO3 arrow CaO + CO2
What is the theoretical yield of Li2CO3 when 6.0 moles of LiOH reacts with 4.0 moles of CO2? CO2(g) + 2LiOH(s) arrow Li2CO3(s) + H2O(l)
What is the theoretical yield (in grams) of hydrogen gas if 2.25 grams of aluminum reacts with excess hydrochloric acid?
What is the theoretical yield (in moles) of Cr2O3 if 13.2 moles of Cr are combined with 16.1 grams of O2? 4Cr(s) + 3O2(g) arrow 2Cr2O3(s)
What is the theoretical yield of iron when 0.325 moles of Fe2O3 reacts with excess carbon? Fe2O3 + 3C arrow 2Fe + 3CO
What is the theoretical yield (in grams) of water when 18.5 grams of C2H2 are burned completely? 2C2H2 + 5O2 arrow 4CO2 + 2H2O
What is the theoretical yield? What is the actual yield? How is the parent yield calculated?
What is the term for a graphical representation of the relationship between interest rates and the maturities of debt securities? a. Maturity chart b. Term curve c. Inflationary expectations d. Yie...
What is the theoretical yield of 2-methyl-2-heptanol if we started with 0.62 g of magnesium, 0.025 mol of 1-Bromopentane, and 0.025 mol of acetone?
What is the theoretical yield of rhodium(III) hydroxide from the reaction of 0.590 grams of rhodium(III) sulfate with 0.266 grams of sodium hydroxide? Rh2(SO4)3(aq) + 6NaOH(aq) arrow 2Rh(OH)3(s) +...
What is the total number of moles of aluminum oxide that can be formed when 54 grams of aluminum reacts completely with oxygen? 4Al + 3O2 arrow 2Al2O3
What is the theoretical yield of 1,4-di-t-butyl-2,5-dimethoxybenzene (MW = 250.38 g/mol) if 1.32 g of 1,4-dimethoxybenzene (MW = 138.16 g/mol) is mixed with 5.68 mL of t-BuOH (MW = 74.12 g/mol, d =...
What is the theoretical yield of chromium that can be produced by the reaction of 40.0 grams of Cr2O3 with 8.00 grams of aluminum according to the following reaction? 2Al + Cr2O3 arrow Al2O3 + 2Cr
What is the theoretical yield for CO2?
What is the theoretical yield in grams if 1.61 grams of H2 is allowed to react with 9.83 grams of N2? 3H2 + N2 arrow 2NH3
What is the theoretical yield of ammonia if 14.29 g of N 2 and 10.85 g of H 2 are allowed to react?
What is the theoretical mass of sulfur dioxide produced from two moles of sulfuric acid in the following reaction? H2SO4 + Cu arrow SO2 + H2O + CuSO4
What is the theoretical yield of bismuth when 276 grams of Bi2O3 reacts with excess carbon in the following reaction? Bi2O3(s) + C(s) arrow Bi(s) + CO(g)
What is the theoretical yield of chromium that can be produced by the reaction of 40.0 grams of Cr2O3 with 8.00 grams of aluminum according to the chemical equation below? 2Al + Cr2O3 arrow Al2O3 +...
What is the theoretical yield (in g of precipitate) when 15.5 mL of a 0.701 M solution of iron (III) chloride is combined with 16.7 mL of a 0.6 M solution of lead (II) nitrate?
What is the theoretical yield of 3,3-dimethyl-2-butanol that would be formed if you react 1.5 mL of 3,3-dimethyl-butanone with 155 mg of NaBH4?
What is the theoretical yield of 3,3-dimethyl-2-butanol that would be formed if you react 1.5 mL of 3,3-dimethyl-butanone with 155 mg of NaBH_4?
What is the total number of grams of O2(g) needed to react completely with 0.50 moles of C2H2(g) for the balanced equation below? 2C2H2(g) + 5O2(g) arrow 4CO2(g) + 2H2O(g)
What is the theoretical yield of vanadium, in moles, that can be produced by the reaction of 2.0 mole of V 2 O 5 with 6.0 mole of calcium based on the following chemical reaction? V 2 O 5 ( s )...
What is the term for the amount of product that is calculated from a given amount of reactant? a) actual yield b) percent yield c) theoretical yield d) stoichiometry
What is the theoretical yield of Ag if 5.67 grams of copper is allowed to react with 12.01 grams of AgNO3? What is the percent yield if 6.25 grams of Ag are produced in the reaction?
What is the theoretical yield, in grams, of precipitate for the double displacement reaction if 25.0 mL of 1.75 M aqueous calcium nitrate is added to 15.0 mL of 1.50 M sodium phosphate?
What is the theoretical yield of MgO if 0.4125 grams of Mg react in excess O2 gas?
What is the theoretical yield of chromium that can be produced by the reaction of 40 grams of Cr_2O_3 with 8 grams of aluminum according to the chemical equation below? \\ 2Al + Cr_2O_3 \rightarrow...
What is the theoretical yield of ammonia (in grams) if 17.25 grams of nitrogen gas and 10.75 grams of hydrogen gas are allowed to react?
What is the theoretical yield of acetic acid when 22.5 g of methanol reacts with 32.0 g of carbon monoxide in the following equation: CH_3OH + CO \to HC_2H_3O_2?
What is the theoretical yield of FeO(s) when 25g of CuFeS_2 (s) and 50g of O_2 are used? 2CuFeS_2(s)+3O_2(g)\to 2CuS(s)+2FeO(s)+2SO_2(g)
What is the theoretical yield of PI_3 from the reaction of 27.0 g of P and 68.0 g of I_2? 2P(s) + 3I_2(s) \to 2PI_3(s)
What is the silver ion concentration in a solution prepared by mixing 357 mL of 0.374 M silver nitrate with 473 mL of 0.413 M sodium chromate? The Ksp of silver chromate is 1.2 x 10-12.
What is the percent yield of a reaction in which 258 g phosphorus trichloride reacts with excess water to form 120 g HCl and aqueous phosphorous acid (H_3PO_3)?
What is the percent yield of the following reaction if 30.35 grams of octane reacts with excess oxygen to produce 81.89 grams of carbon dioxide? 2C8H18(l) + 25O2(g) arrow 16CO2(g) + 18H2O(l)
What is the percent yield of carbon disulfide if the reaction of 34.0 grams of sulfur dioxide produces 12.5 grams of carbon disulfide? 5C(s) + 2SO2(g) arrow CS2(g) + 4CO(g)
What is the percent yield of iron if the reaction of 63.7 grams of iron(III) oxide produces 14.7 grams of iron? Fe2O3 + CO arrow Fe + CO2
What is the percent yield if 155 grams of calcium carbonate is treated with 250 grams of hydrochloric acid and 142 grams of calcium chloride is obtained? CaCO3 + HCl arrow CaCl2 + CO2 + H2O
What is the percent yield in a reaction between 20.3 grams of O2 and 20.8 grams of Al if 34.6 grams of Al2O3 is produced?
What is the percent yield of a reaction in which 73.9 g of tungsten(VI) oxide (WO_3) reacts with excess hydrogen gas to produce metallic tungsten and 8.17 mL of water (d = 1.00 g/mL)?
What is the percent yield of a reaction in which 217.8 g of phosphorus trichloride reacts with excess water to form 125.2 g of HCl and aqueous phosphorous acid (H_3PO_3)?
What is the percent by mass of sodium bicarbonate in a mixture of sodium bicarbonate and sodium carbonate decahydrate if 0.5000 g of the mixture reacts with (excess) 6.0 M aqueous solution of nitri...
What is the percent of CsCl by mass in a 0.0711 M CsCl solution that has a density of 1.09 g/mL?
What is the minimum amount of KCN in moles needed to extract 22.7 g of gold? 4Au+8KCN+O_2+2H_2O to 4KAu(CN)_2+4KOH.
What is the maximum amount in moles of P_{2}O_{5} that can theoretically be made from 235 g of P_{4} and excess oxygen?
What is the maximum number of grams of PH3 that can be formed when 8.4 grams of phosphorus reacts with 5.0 grams of hydrogen? P4(g) + 6H2(g) arrow 4PH3(g)
What is the maximum mass of aluminum chloride that can be formed when reacting 36.0 grams of aluminum with 42.0 grams of chlorine? 2Al(s) + 3Cl2(g) arrow 2AlCl3(s)
What is the maximum mass of NO that can be produced by combining 85.6 grams of each reactant in the following reaction? 4NH3(g) + 5O2(g) arrow 4NO(g) + 6H2O(g)
What is the maximum mass of H2O that can be produced by combining 85.6 grams of each reactant in the following reaction? 4NH3(g) + 5O2(g) arrow 4NO(g) + 6H2O(g)
What is the maximum mass of aluminum chloride that can be formed when reacting 22.0 grams of aluminum with 28.0 grams of chlorine? 2Al(s) + 3Cl2(g) arrow 2AlCl3(g)
What is the maximum mass of P2I4 that can be prepared from 8.74 grams of P4O6 and 12.41 grams of iodine? 5P4O6 + 8I2 arrow 4P2I4 + 3P4O10
What is the maximum mass in grams of H2SiF6 that can be produced by the reaction of 10.0 grams of sodium silicate with 4.0 grams of hydrofluoric acid? Na2SiO3(s) + 8HF(aq) arrow H2SiF6(aq) + 2NaF(a...
What is the maximum mass of H2O that can be produced by combining 91.5 grams of each reactant in the following reaction? 4NH3(g) + 5O2(g) arrow 4NO(g) + 6H2O(g)
What is the maximum mass of S8 that can be produced by combining 83.0 grams of each reactant in the following reaction? 8SO3 + 16H2S arrow 3S8 + 16H2O
What is the maximum mass of S8 that can be produced by combining 91.0 g of each reactant? 8SO2 + 16H2S to 3S8 + 16H2O.
What is the maximum number of moles of P2O5 that can theoretically be made from 272 grams of O2 and excess phosphorus?
What is the maximum amount (in moles) of P2O5 that can theoretically be made from 272 grams of O2 and excess phosphorus? P4 + O2 arrow P2O5
What is the maximum mass of I2 that can be obtained from 38.2 grams of KMnO4, 114 grams of KI, and excess H2SO4? KMnO4 + KI + H2SO4 arrow K2SO4 + MnSO4 + I2 + H2O
What is the maximum mass of S 8 that can be produced by combining 84.0 g of each reactant? 8 S O 2 + 16 H 2 S 3 S 8 + 16 H 2 O
What is the mass of precipitate that is formed when 482 mL of 3.54 M vanadium (V) nitrate is mixed with 8.37e-6 mL of 1.32 M ammonium phosphate? Give your answer in standard notation.
What is the mass of the solid NH_4Cl formed when 68.5 g of NH_3 is mixed with an equal mass of HCl? What is the volume of the gas remaining, measured at 14.0 degrees Celsius and 752 mmHg? What gas...
What is the mass of aluminum chloride produced if 10.0g of aluminum oxide react with 10.0g of hydrogen chloride (see reaction below)? Al_2O_3 + 6HCl \to 2AlCl_3 + 3H_20
What is the maximum mass of S_8 that can be produced by combining 93.0 g of each reactant? 8SO_2 + 16H_2S \to 3S_8 + 16H_2O
What is the limiting reactant when 24.0 grams of H2 reacts with 30.0 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 52.6 grams of aluminum reacts with 45.8 grams of oxygen? 4Al + 3O2 arrow 2Al2O3
What is the limiting reactant when 22.3 grams of aluminum reacts with 27.2 grams of oxygen? 4Al + 3O2 arrow 2Al2O3
What is the limiting reactant when 16.5 grams of H2 reacts with 20.8 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 29.5 grams of aluminum reacts with 27.8 grams of oxygen? 4Al + 3O2 arrow 2Al2O3
What is the limiting reactant when 13.9 grams of H2 reacts with 20.2 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 31.4 grams of aluminum reacts with 43.5 grams of chlorine? 2Al + 3Cl2 arrow 2AlCl3
What is the limiting reactant when 9.4 grams of H2 reacts with 14.4 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 6.8 grams of aluminum reacts with 9.6 grams of oxygen? 4Al + 3O2 arrow 2Al2O3
What is the limiting reactant when 17.5 grams of H2 reacts with 31.8 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 15.6 grams of Na2S reacts with 17.4 grams of CuSO4? Na2S + CuSO4 arrow Na2SO4 + CuS
What is the limiting reactant when 5.60 grams of NaCl reacts with 9.10 grams of AgNO3? AgNO3 + NaCl arrow AgCl + NaNO3
What is the limiting reactant when 19.7 grams of aluminum reacts with 24.9 grams of chlorine? 2Al + 3Cl2 arrow 2AlCl3
What is the limiting reactant when 11.3 grams of H2 reacts with 17.1 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 8.5 grams of Na2S reacts with 13.8 grams of CuSO4? Na2S + CuSO4 arrow Na2SO4 + CuS
What is the limiting reactant when 5.8 grams of aluminum reacts with 8.9 grams of oxygen? 4Al + 3O2 arrow 2Al2O3
What is the limiting reactant when 4.45 grams of H2 reacts with 8.55 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 30.5 grams of aluminum reacts with 26.8 grams of chlorine? 2Al + 3Cl2 arrow 2AlCl3
What is the limiting reactant when 10.3 grams of H2 reacts with 23.5 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 3.5 grams of H2 reacts with 11.2 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 19.9 grams of H2 reacts with 27.4 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 9.5 grams of H2 reacts with 18.1 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 16.7 grams of carbon monoxide reacts with 22.5 grams of iron(III) oxide? Fe2O3(s) + 3CO(g) arrow 2Fe(s) + 3CO2(g)
What is the limiting reactant when 43.8 grams of aluminum reacts with 51.6 grams of oxygen? 4Al + 3O2 arrow 2Al2O3
What is the limiting reactant when 285.0 grams of aluminum sulfide reacts with 360.0 grams of water? Al2S3 + H2O arrow Al(OH)3 + H2S
What is the limiting reactant when 17.3 grams of hydrogen reacts with 23.4 grams of nitrogen? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 42.3 grams of aluminum reacts with 56.2 grams of chlorine? 2Al(s) + 3Cl2(g) arrow 2AlCl3(s)
What is the limiting reactant when 28.6 grams of Na2S reacts with 22.4 grams of CuSO4? Na2S + CuSO4 arrow Na2SO4 + CuS
What is the limiting reactant when 18.2 grams of H2 reacts with 26.7 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 42.6 grams of Na2S reacts with 33.8 grams of CuSO4? Na2S + CuSO4 arrow Na2SO4 + CuS
What is the limiting reactant when 15.7 grams of H2 reacts with 22.1 grams of N2? N2 + 3H2 arrow 2NH3
What is the limiting reactant when 12.42 grams of barium nitrate reacts with 14.68 grams of sodium sulfate? Ba(NO3)2 + Na2SO4 arrow BaSO4 + 2NaNO3
What is the limiting reactant when 16.3 grams of aluminum reacts with 13.9 grams of chlorine? 2Al(s) + 3Cl2(g) arrow 2AlCl3(s)
What is the limiting reactant when 6.48 grams of iron reacts with 9.56 grams of oxygen? 4Fe(s) + 3O2(g) arrow 2Fe2O3(s)
What is the limiting reactant when 4.1 grams of H2 reacts with 7.9 grams of N2? N2 + 3H2 arrow 2NH3
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