Mass Energy Equivalence Questions and Answers

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Mass Energy Equivalence Questions and Answers

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How can you determine a metal-containing fragment from a non-metal fragment via mass spectra?
The total annual energy consumption in the United States is about 1 x 10^20 J. How much mass would be converted to energy to fuel this need?
(a) A nuclear power plant converts energy from nuclear fission into electricity with an efficiency of 35.0%. How much mass is destroyed in one year to produce a continuous 1000 MW of electric power...
Calculate the binding energy per nucleon for ^2_1H and ^3_1 H. The atomic masses are ^2_1 H, 2.01410 u, and ^3_1 H, 3.01605 u.
Consider the following reaction, which can take place in particle accelerators: ^1_1H + _0^1 n to 2 ^1_1 H + _0^1 n + _-1^1 H a. Calculate the energy change for this reaction. b. Is energy released...
The earth receives 1.8 times 10^14 kJ/s of solar energy. a. What mass of solar material is converted to energy over a 24-h period to provide the daily amount of solar energy to the earth? b. What m...
A physicist builds an apparatus to measure the charge-to-mass ratio of ions. An ion is first accelerated to a speed of 5.50 times 10^7 m/s. It then passes through a region of the magnetic field, wi...
A mass of 50 g is completely converted into energy. What is the energy that will be obtained when such a conversion takes place?
Calculate the binding energy of each nucleus and predict which nucleus is more stable if lithium-6 has a nuclear mass of 6.01348 amu and lithium-7 has a nuclear mass of 7.01436 amu.
Calculate the binding energy, in kJ/mol of nucleons, for the given isotope: 19 8O with a mass of 19.0035 amu.
A rechargeable AA battery with a mass of 25.0 g can supply a power of 1.20 W for 50.0 min. a) What is the difference in mass between a charged and an uncharged battery? b) What fraction of the tota...
Suppose you use an average of 500 kWh of electric energy per month in your home. a) How long would 1.00 g of mass converted to electric energy with an efficiency of 38.0% last you? b) How many home...
What becomes of the "mass-defect" in fission and fusion?
In a beta^- decay 17 neutrons decay to 17 protons, each releasing an electron and an electron antineutrino in the process. What is the total energy released in this decay event? Note: Express your...
Equation ^3_2He+^3_2He to ^4_2He+2 ^1_1H is the nuclear reaction responsible for much of the helium-4 production in our Sun. How much energy is released in this reaction?
In a nuclear fusion reaction, 2 g of hydrogen is converted into 1.985 g of helium. What is the energy released? a. 4.5 10 3 J b. 4.5 10 6 J c. 1.35 10 12 J d. 1.35 10 15 J
What is mass deficiency? What is binding energy? How are the two related?
Calculate the mass defect of the helium nucleus ^{52}He.
(a) Calculate the energy released by the total conversion of 1.28 kg of mass. (b) How many kilograms could be lifted to a 7.50 km height by this amount of energy?
Describe the process of electroplating.
What is the equation that relates the equivalence of matter and energy? What does each term in this equation represent?
Calculate the following for ^49Ti (actual mass = 48.94787 amu): (a) mass deficiency in amu/atom; (b) mass deficiency in g/mol; (c) binding energy in J/atom; (d) binding energy in kJ/mol; (e) bindin...
Carbon-14 decays as follows: 14C = e + 14N The isotopic masses are 14.00307 for nitrogen-14 and 14.00324 for carbon-14. What energy change (kJ/moles) occurs in the beta decay of C-14?
Calculate the binding energy per nucleon of Ag^109.
The nuclear mass of 48Ti is 47.9359 amu. Calculate the binding energy per nucleon for 48Ti in J/nucleon. (please show steps)
How much total kinetic energy will an electron-positron pair have if produced by a 2.67 MeV photon?
How are density functional theory and defect chemistry related?
The atomic mass of ^{35}_{17}Cl is 34.96885 u. What is its binding energy per nucleon?
The binding energy of ^{42}_{20}Ca is 361.7 MeV. Find its atomic mass.
Does a gluon have mass?
Calculate the reaction energy (Q value) for the reaction ^7 Li + ^1H to ^4 He + ^4He, given the following masses: ^7Li: 7.016005 u, ^1H: 1.007825 u, ^4He: 4.002603 u.
Find the mass converted into energy by a 12.0-kT bomb.
In considering potential fusion reactions, what is the advantage of the reaction ^2H + ^3H to ^4He + n over the reaction ^2H + ^2H to ^3He + n?
What is the mass of Cl in a sample of CCl_4 containing 4.72 g of C?
At the KEK collider, e^- of 7 GeV collide with e^+ of 4 GeV. What is the energy available in the center-of-mass frame? Equivalently, in units of GeV/c^2, what is the mass of the heaviest particle t...
The average particle energy needed to observe the unification of forces is estimated to be 10^{19} GeV. (a) What is the rest mass in kilograms of a particle that has a rest mass of 1019 GeV/c^2?...
Explain how a bound system can have less mass than its components. Why is this not observed classically, say for a building made of bricks?
You have a solid metal weight with a mass of 1 kg. You heat it in a pot of boiling water so as to add 9 J to its store of thermal energy. What does E = mc^2 tell us about the mass of the metal weig...
A particle physicist discovers a neutral particle with a mass of 2.02733 u that he assumes is two neutrons bound together. (a) Find the binding energy. (b) What is unreasonable about this result? (...
The unified atomic mass unit is defined to be 1 u = 1.6605 10^(-27) kg . Verify that this amount of mass converted to energy yields 931.5 MeV. Note that you must use four-digit or better values for...
In massive stars, three helium atoms fuse together, forming a carbon nucleus. This reaction heats the core of the star. The net mass of the three helium nuclei must therefore be A. higher than that...
The primary decay mode for the negative pion is pi- rightarrow mu- + v mu. What is the energy release in MeV in this decay?
(a) The lifetime of a highly unstable nucleus is 10^{-20} s. What is the smallest uncertainty in its decay energy? (b) Compare this with the rest energy of an electron.
Find the rest energy in joules and MeV of a proton, given its mass is 1.67 times 10^{-27} kg.
What mass of water is produced from the complete combustion of 34.0 grams of methane?
When antimatter interacts with an equal mass of ordinary matter, both matter and antimatter are converted completely into energy in the form of photons. In an antimatter-fueled spaceship, a staple...
What did Albert Einstein do in nuclear chemistry?
If the world's population grows each year, does this mean that the mass of the Earth increases each year? Explain.
(a) A moving electron has a kinetic energy of 5.09 eV. What is the wavelength of this electron (in m)? (b) A photon with an energy of 5.09 eV has what corresponding wavelength (in m)?
When the plutonium bomb was tested in New Mexico in 1945, approximately 1 g of matter was converted into energy. Suppose another bomb is tested, and 3.6 g of matter are converted into energy. How m...
Calculate the energy released (or energy input required) for the reaction: alpha + ^{9}_4Be to ^{12}_6C + n Express your answer to four significant figures and include the appropriate units.
The mass of the atom ^{68}_{30}Zn is 67.924848 amu. (a) Calculate its binding energy per atom in millions of electron volts. (b) Calculate its binding energy in millions of electron volts per nucle...
During a particular nuclear reaction, 0.0076 g of matter is converted into energy. How much energy is released during this reaction? The equation relating mass and energy is E = mc^2, where E is en...
One can calculate the gravitational binding energy of a spherical object (such as the earth) as follows. Assume that the earth's density is a constant \rho = M(\frac{4}{3} \pi R^{3}), where M is th...
Binding energy is _______. a. the amount of mass produced during a nuclear reaction. b. the amount of mass that is converted to energy during a nuclear reaction. c. the amount of energy released wh...
The binding energy per nucleon of the ^3He nucleus is 2.6 MeV. Deduce the binding energy per nucleon of tritium ^3H noting that tritium decays via the reaction ^3H to ^3He + e^- + nu bar, where the...
Suppose the entire mass of the Sun were converted into energy. How much energy would be produced?
Find the Delta E for the reaction: _{1}^{2} H + _{2}^{3} H to _{2}^{4} He + _{1}^{1} H
Find the Delta E for the reaction: _{1}^{2} H + _{1}^{2} H to _{2}^{3} He + _{0}^{1} n
Find the Delta E for the reaction: _{1}^{2}H + _{1}^{3} H to _{2}^{4} He + _{0}^{1}n
How much mass must be converted to generate 71.0 GeV of energy?
The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is the binding energy per nucleon (in J) of a cobalt-62 nucleus? (The mass of a cobalt-62 nucleus is 61.9341 amu.)
The proton-proton cycle is responsible for the Sun's 3.84 times 10^{26} W power output yields about 26.7 MeV of energy for every four protons that are fused into a helium nucleus. Determine (a) T...
Define the term binding energy.
How much energy is absorbed or released when a proton combines with a deuterium nucleus to produce 3He? (The relevant masses are: Proton: 1.672622 \times10^{-27} kg, Deuterium: 3.344494 \times 10^{...
Prove the following relationships using the principles of electroneutrality and mass balance: a) N0_2^- = H^+ - OH^- for 0.2 MHNO_2 solution \\b) CH_3CO_2H = 0.2 - H^+ + OH^- for 0.2 M CH_3CO_2...
If 1.8 x 10^14 J is released in a nuclear reaction, how much matter was lost?
For the following fusion reaction, calculate the change in energy of the reaction in units of joules per mole. \\ ^2_1H +^3_2He \to ^4_2He + ^1_1H
Iron-56 (^{56}Fe) has a binding energy per nucleon of 8.790 MeV. (1 MeV is 1.602 times 10^{-13} J). Determine the difference in mass between one mole of iron 56 nuclei and the component nucleons of...
What is the mass change (in grams) accompanying the formation of CO and H2 in the water-gas reaction? C(s) + H2O(g) to CO(g) + H2(g); Delta H = +131 kJ
Calculate the binding energy per nucleon for an atom of 12C(11.996708 amu).
What is the mass in kilograms of a man weighing 192.5 pounds?
Determine the molecular formula for the following: A compound that contains C, H, and one O and has a molecular ion with an m/z value of 100.
The vapor pressure of CCI_3F at 300 K is 856 torr. If 12.0 g of CCI_3F is enclosed in a 1.2 - L container, will any liquid be present?
Suppose that all the mass in your body was suddenly converted into energy according to the formula E = mc^2. What effect would your disappearance have on your surroundings?
Calculate the binding energy (kJ/mol) for ^{84}Kr. ^1 H = 1.00785 g/mol, ^1 n = 1.008665 g/mol, ^{84}Kr = 83.91151 g/mol a. 7.1 times 10^{16}. b. 7.1 times 10^{13}. c. 7.1 times 10^{10}. d. 8.4 tim...
It is believed that two carbon-12 nuclei (mass 12.0000 amu) can react in the core of a supergiant star to form sodium-23 (mass 22.989767 amu) and hydrogen-1 (mass 1.007825). Calculate the energy in...
A 1350 kg satellite is put in a geostationary orbit around Jupiter. Given that Jupiter's day is 9.93 hours long and its mass is 1.898 x 1027 kg: Determine the radius of the satellite's orbit. Deter...
Explain the concepts of mass defect and nuclear binding energy. At what mass number does the nuclear binding energy per nucleon peak? What is the significance of this?
Calculate the mass defect and nuclear binding energy per nucleon of each nuclide. a. Li-7 (atomic mass = 7.016003 amu) b. Ti-48 (atomic mass = 47.947947 amu) c. Ag-107 (atomic mass = 106.905092 amu)
The mass of proton is 1.007276 amu, the mass of neutron is 1.008665 amu, and the mass of electron is 5.485799 \times 10^{-4} amu.
Explain why the energy associated with even a small mass is immense.
Calculate the mass defect of Ag-107 (atomic mass = 106.905092 amu).
What is the difference between STP and NTP?
Calculate the mass defect in AMU for Li-6 with a mass of 6.01348 AMU. (Enter your answer with 5 decimal places and remember to use the appropriate sign.)
Calculate the nuclear binding energy per nucleon for cobalt-59, the only stable isotope of cobalt. The mass of cobalt-59 is 58.933198 amu.
Calculate the mass defect and nuclear binding energy per nucleon of each nuclide. a. O-16 (atomic mass = 15.994915 amu) b. Ni-58 (atomic mass = 57.935346 amu) c. Xe-129 (atomic mass = 128.904780...
When a positron and an electron annihilate one another, the resulting mass is completely converted to energy. Calculate the energy associated with this process in kJ/mol.
Calculate the total binding energy and the binding energy per nucleon for ^{18}_8 O (oxygen).
A reaction takes place with a mass defect (lost mass) of 0.030 kg. How much energy does the lost mass correspond to?
How much mass defect is required to generate 5.5 times 10^{20} J of energy?
Calculate the binding energy (in J) and the nuclear binding energy per nucleon of (82.9152 AMU).
An analytical laboratory balance typically measures mass to the nearest 0.1 mg. What energy change would accompany the loss of 0.1 mg in mass?
The mass of Nitrogen-14 is 14.003074. Calculate the binding energy per nucleon for Nitrogen-14.
The greater the mass defect per nucleon, the less stable the nucleus. True or False?
Calculate the nuclear binding energy for 55/25Mn in mega electron volts per nucleon (MeV/nucleon).
Calculate the mass defect of F-19. Use 18.9984 amu as the actual mass of F-19
What is the binding energy for a Na-23 nucleus in MeV/nucleon?
The actual mass of a Na-23 atom is 22.989768 amu. What is the mass defect for a Na-23 nucleus? The proton mass is 1.007276 amu, the neutron mass is 1.008665 amu and the electron mass is 0.0005486...
If a meson has a rest energy of 130 MeV, approximately how many times greater is the mass of the meson compared with the mass of an electron?
A helium atom has a rest mass of 4.002603 u. When disassembled into its constituent particles (2 protons, 2 neutrons, and 2 electrons), the well-separated individual particles have the following ma...
What is the energy released in this nuclear reaction _{38}^{90}Sr to _{39}^{90}Y + _0^{-1}e? (The atomic mass of ^{90}Sr is 89.907738 u and that of ^{90}Y is 89.907152 u.)
What does Einstein's energy equation (E = mc2) say about the energy that is derived from nuclear fission reactions? a. The energy is proportional to the change in mass of the electrons of the atom...
A nuclear scientist attempts to perform experiments on the stable nuclide 5626Fe. Determine the energy (in MeV) the scientist will need to fission it symmetrically into two identical lighter nuclid...
A nuclear scientist attempts to perform experiments on the stable nuclide 5626Fe. Determine the energy (in MeV) the scientist will need to completely dismantle the nucleus into its individual nucle...
A nuclear scientist attempts to perform experiments on the stable nuclide 5626Fe. Determine the energy (in MeV) the scientist will need to remove a single proton.
A nuclear scientist attempts to perform experiments on the stable nuclide 5626Fe. Determine the energy (in MeV) the scientist will need to remove a single neutron.
During the combustion of 5.00 g of octane, 239.5 kcal (1002 kJ) is released. How many grams of octane must be burned to release 382.5 kcal?
Given that the nuclear binding energy of ^{48}Cr is 1.37340 times 10^{-12} J/nucleon, calculate the mass of a single ^{48}Cr atom.
What does the equation e = mc^2 mean?
When an atom of an element is formed from its constituent components it weighs less than the sum of free electrons, neutrons, and protons that make it up. This phenomenon is called the mass defect....
When a positron and an electron collide and annihilate each other, two photons of equal energy are produced. Find the wavelength of these photons.
The mass of a proton is 1.673 x 10-24 g. The mass of a neutron is 1.675 x 10-24 g. The mass of the nucleus of a 56Fe atom is 9.289 x 10-23 g. What is the nuclear binding energy (in J) for 56Fe? (c...
What are the mass of a proton, the mass of a neutron, and the mass of an alpha particle? If we directly fuse 2 protons and 2 neutrons (which results in 1 alpha particle), how much energy would be r...
A 2.1-MeV (kinetic energy) proton enters a 0.35-T field in a plane perpendicular to the field. What is the radius of its path?
An electron (with rest energy of 0.511 MeV) moves with speed v = 0.8c. a. Find its total energy. b. Find its kinetic energy. c. Find the magnitude of its momentum.
Relation between mass defect and binding energy is given by: a) B.E. = Δm x 931 - M. b) B.E. = Δm + 931. c) B.E. = Δm x 931. d) B.E. = (m + (A-Z) mn) - M
Find the number of nucleons present if the binding energy of an element is 64 MeV. Given BE / Nucleon = 6.4. a) 64 b) 10 c) 6 d) 16
True or false? The mass of an object depends on where the object is.
Does a star undergo fusion or fission? What does nuclear binding energy mean and how do you know an atom has more than the others?
The mass of an electron traveling at 0.8c is how many times as great as its rest mass? a. 0.60 b. 0.78 c. 0.80 d. 1.28 e. 1.67
Consider the following fusion reaction: \\ ^3_1 H + ^3_1 H \to ^4_2He + 2n \\ How much energy, in megaelectron volts, is released in this reaction?
How much energy is released when tritium, 31H, decays by beta emission?
Calculate the total binding energy and the binding energy per nucleon for 188O.
Define the law of mass conservation in material and energy balances.
[{Blank}] is the amount of matter in a substance or object.
Find the binding energy (in MeV) for lithium _3Li^8 (atomic mass = 8.022486 u).
What is the mass change (in grams) accompanying the formation of CO and H2 in the water-gas reaction? C(s) + H2O(g) arrow CO(g) + H2(g); Delta H = +131 kJ
What is the average binding energy per nucleon for a U-238 nucleus with a mass defect of 0.184 amu? (a) 2.38 times 10^{-30} J (b) 2.75 times 10^{-11} J (c) 1.01 times 10^{-20} J (d) 1.16 times...
In a nuclear reaction, the energy released is equal to 8.1 times 10^{16} joules. Calculate the mass lost in this reaction. (a) 7.2 times 10^{32} kg (b) 2.7 times 10^8 kg (c) 9.0 times 10^{-1} kg...
How many joules of energy are produced when 3.0 times 10^{-28} kilograms of mass are lost? (a) 9.0 times 10^{16} J (b) 9.0 times 10^{44} J (c) 2.7 times 10^{-11} J (d) 3.0 times 10^{12} J
In a nuclear reaction, the energy released is equal to 5.4 times 10^{15} joules. Calculate the mass lost in this reaction. (a) 6.0 times 10^{-2} kg (b) 4.86 times 10^{-1} kg (c) 1.8 times 10^{-1...
In a nuclear reaction, the energy released is 3.0 times 1020 joules. To what mass does this amount of energy equate? (1 J = 1 kg m2/s2) (a) 2.7 times 10^{36} kg (b) 1.0 times 10^{12} kg (c) 3.3...
The term 'mass defect' describes the fact that the mass of the product of a nuclear reaction (such as a helium-4 nucleus from hydrogen atoms) is less than the mass of the individual four nucleons....
The mass "lost" during a nuclear reaction is used to convert energy into mass. (a) True (b) False
a) For 14N, calculate the nuclear binding energy. b) For 48Ti, calculate the nuclear binding energy. c) For 129Xe, calculate the nuclear binding energy.
Calculate the binding energy for 0.012 moles of 10Be (10.01019 amu) in kJ.
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.
A rocket with a mass of 3 tons is filled with 40 tons of liquid fuel. In the initial part of the flight fuel burns at a rate of 1 ton per 100 meters of vertical height. How much work (in internatio...
What is the mass in grams of a sample containing 3.14 \times 10^{20} N_2O molecules?
When a mole of lithium reacts chemically with hydrogen to form lithium hydride, the energy released is found to be roughly 90 joules. How much mass is lost? - 1.0 x 10^{-15} kg - 2.7 x 10^{10} kg...
Calculate the energy released in MeV in the deuterium-tritium fusion reaction: ^2_1H + ^3_1H to ^4_2He + n.
When two atoms of 2 H (deuterium) are fused to form one atom of 4 H e (helium), the total energy evolved is 3.83 10 12 joules. What is the total change in mass (in kilograms) for this rea...
The amount of solar energy reaching one square meter of Earth s surface each second is 1.366 10 3 joules. If this energy were converted into mass, how much mass (in kilograms) would be hitting...
Which one of the following statements is true concerning thereaction H-2 + Li-6 → He-4 where H=2 has a mass of 2.014u; He-4 has a mass of 4.003u; Li-6 has a mass of 6.015 u; and 1u = 931.5 Me...
The sun, like all stars, releases energy through nuclear fusion. In this problem, you will find the total number of fusion reaction events that occur inside the sun every second. You will be consid...
Calculate the energy on uranium fission (with different fission products) based on mass defect (difference of mass on the left hand side of the fission equation and the right hand side of the equat...
A quantity of energy equal to 8.90 times 10^{12} joules was emitted from a nuclear reaction. What amount of mass was required to be converted to yield this amount of energy? (1 J = 1 kg m^2/s^2) (...
Nuclei lose mass by breaking into smaller pieces. However, it is thought that when a nucleus breaks apart into protons and neutrons, they increase in mass because they require energy. Clarify.
Calculate the binding energy per nucleon of an Al-27 nucleus given the following masses: Electron= 26.981541 amu Proton = 1.007825 amu Neutron = 1.008665 amu.
The table below gives the total energy and the rest energy for three objects in terms of an energy increment . For each object, determine the speed as a multiple of the speed c of light in a vacuum.
An atom of 130Sn has a mass of 129.913920 amu. Calculate the binding energy per MOLE in kJ. Use the values: mass of 1H atom = 1.007825 amu mass of a neutron = 1.008665 amu c = 2.99792 x 108 m/s.
How is the hydrogen bomb related to mass energy?
In a proton accelerator, a moving proton hits a solid target and stops. As a result, an electron-positron pair is created at rest. The proton mass is 1.76 x 10 27 kg and the electron and positron...
How much ice must melt at 0^o C in order to gain 2 g of mass? Where does this mass come from? The heat of fusion for water 334 J/g.
You "throw together" 37 protons, 48 neutrons, and 37 electrons, to make a hypothetical atom of mass 84.960840 amu. (Use my number, don't look up the atom in a table of isotopes.) What is its bindin...
Estimate the total binding energy for copper (in Mev). Estimate the energy, in joules, needed to break a 3.0 g copper penny into its constituent nucleons.
What is the speed of a particle whose kinetic energy is equal to five times its rest energy?
What is the speed of a particle whose kinetic energy is equal to its rest energy?
Mercury _{80}Hg^{202} has an atomic mass of 201.970617 u. What is the binding energy per nucleon (in MeV/ nucleon)?
Energy is produced by the sun by nuclear fusion reactions in which matter is converted into energy. We can measure that the Sun produces energy at the rate of 3.80 times 10^{26} W. a. How many tons...
What speed of the kinetic energy of a particle will equal its rest energy?
Energy is produced by the sun by nuclear fusion reactions in which matter is converted into energy. We can measure that the Sun produces energy at a rate of 3.80 x 10 26 W. a. How many tons of ma...
What energy is released (in MeV) during a reaction in which 1.67x10^{-25} kg of material is converted to energy? A) 5.0 x 10^{-14} MeV B) 4.1 x 10^{-7} MeV C) 3.1 x 10^{-4} MeV D) 9.4 x 10^4 MeV
It is possible for an electron and a positron to orbit around their stationary center of mass until they annihilate each other,creating 2 photons of equal energy moving in opposite directions. The...
The binding energy of an isotope of chlorine is 298 MeV. What is the mass defect of this chlorine nucleus in atomic mass units?
The hydrogen Sn 50 atom has a mass of 1.00783 u, and the neutron has a mass of1.00867u. What is the mass defect of 120 (atomic mass = 119.902200 u)?
The amount of energy equivalent to two kilograms of mass at rest is .................
What is the binding energy of an alpha particle ?
The sun radiates at a power of 3.9 x 10^26 W. How long does it take for the sun to lose an amount of mass equal to the mass of the Earth (6.0 x 10^24 kg)? Choose the first answer that is correct....
To complete your master's degree in physics, your advisor has you design a small, linear accelerator capable of emitting protons, each with a kinetic energy of 9.6 keV. (The mass of a single proton...
What is the rest energy (in joules) of a subatomic particle whose rest mass is 6.7 x 10^-31 kg? How many MeV's of energy is this?
In hydrogen-bomb (nuclear fusion) explosions, blasts of as much as 100 Megatons (of TNT) have been recorded. For your information, a Megaton is the energy that would be released if 1,000,000 tons o...
What is the rest energy (in joules) of a subatomic particle whose rest mass is 6.7 x 10^-31 kg? How many MeVs of energy is this?
What is the rest energy (in joules) of a subatomic particle whose (rest) mass is 6.7 \times 10^{-31} kg? How many MeV's of energy is this?
A neutron at rest decays (breaks up) to a proton and an electron. Energy is released in the decay and appears as the kinetic energy of the proton and electron. The mass of a proton is 1836 times th...
A 1 megaton nuclear weapon produces about 4 1015 J of energy. How much mass must vanish when a 10 megaton weapon explodes?
If an electron and a proton (both initially at rest and far apart) come together to form a hydrogen atom, 13.6eV of energy is released (mostly as light). A). By how much does the mass of an H atom...
How much energy is produced when the sun converts 2 kg of mass into energy?
(a) If the mass of 1.0 kg of coal (or any substance) could be completely converted into energy, how many kilowatt-hours of energy would be produced? (b) Assume that the average U.S. family of four...
if an electron and a proton (both initially at rest and far apart) come together to form a hydrogen atom, 13.6 eV of energy is released (mostly as light). A) By how much does the mass of a H atom d...
What is the mass defect of the 40 Ca nucleus?
What is the mass defect of the 40K nucleus? Answer in terms of u.
Given that the mass of a particle is 4.00151 amu. What is the binding energy of an a particle (a _4 He nucleus)? (in Me V)
How much mass is lost per day by a nuclear reactor operated at a 1.0-GW power level? \\ a) 0.31 \times 10^{-6} g b) 0.96 g c) 2.3 g d) 5.6 kg
Electrical energy of approximately 1.00 1019 J is used annually in the United States. How much rest mass must be used to generate this much energy if no energy is wasted?
The electrical energy of approximately 1.00 \times 10^{19} \; J is used annually in the United States. How much rest mass must be used to generate this much energy if no energy is wasted?
What is the mass defect of the 90Y nucleus?
What is the mass defect of the 7Li nucleus? _________u
A 245-kg boulder is dropped into a mine shaft thats is 3.0 \times 10^3 \; m deep. During the boulder's fall, the system consisting of the earth and boulder loses a certain amount of gravitational p...
What is the mass defect of the 14C nucleus? (Answer in u)
Conservation of energy states that energy cannot be created nor destroyed. Clearly energy is required for radioactivity to occur. Where exactly is this energy coming from?
The mass of a ^{238}_{92}U nucleus is 238.05 amu. If the mass of a proton is 1.0073 amu and the mass of a neutron is 1.0087 amu, what is the binding energy per nucleon of this nucleus?
Calculate the total binding energy of ^{40}_{20}Ca. Answer in units of MeV.
When a radium nucleus decays, it gives up a 4.8 Mev alpha particle. The original atom has a mass of 226.02536 u and a helium atom has a mass of 4.002604 u. What is the mass of the product atom?
A particle of mass m0 is given a kinetic energy equal to one-third its rest-mass energy. How fast must the particle be traveling?
Calculate the total binding energy of 40Ca20. Answer in units of MeV.
Calculate the total binding energy of 20Ne10. Answer in units of MeV.
Determine the mass defect of the nucleus for cobalt 5927Co, which has an atomic mass of 58.933198u. Express your answer in (a) atomic mass units u and (b) kilograms.
A neutral K meson (with mass 498 MeV/c^2), or kaon, decays at rest into two pi mesons, or pions (with mass 140 MeV/c^2 each). (a) The two pions must fly out in exactly opposite directions. Why? (b)...
Determine the mass defect of the nucleus for cobalt 5927Co, which has an atomic mass of 58.933198 u. Express your answer in atomic mass units and kilograms.
The molar nuclear mass of carbon-14 is 14.003241 g/mol. The molar mass of a proton is 1.007825 g/mol. The molar mass of a neutron is 1.008665 g/mol. Calculate the binding energy of carbon-14. ( c =...
Electrical energy of approximately 1.00 times 10^19 J is used annually in the United States. How much rest mass must be used to generate this much energy if no energy is wasted?
Electrical energy of approximately 1.00 * 10^{19} J is used annually in the United States. How much rest mass must be used to generate this much energy if no energy is wasted?
A) Calculate (in MeV) the binding energy per nucleon for 12C. B) Calculate (in MeV) the binding energy per nucleon for 13C.
Find the binding energy (in MeV) for carbon 611C (atomic mass = 11.011432 u).
If the mass of one neutron is 1.00866 amu, the mass of one proton is 1.00728 amu, and the mass of a 124Cs nucleus is 123.912258 amu, calculate the binding energy for the 124Cs nucleus (MeV/nucleon).
Suppose there was a process by which two photons, each with momentum 0.5 MeV/c could collide and make a single particle. What is the maximum mass that the particle could possess?
How many grams of matter would have to be totally destroyed to run a 115 W lightbulb for 2 years?
A radioactive phosphorus nucleus with atomic number 15 and mass number 32, beta decays by emitting an electron and an antineutrino (the above isotope of phosphorus has a mass of m=31.973u) What is...
A spaceship in distress sends out two escape pods in opposite directions. One travels at a speed v_1 = 0.53c in one direction, and the other travels at a speed v_2 = 0.67c in the other direction, a...
What is the rest energy, expressed in MeV, of an electron? What is the rest energy, expressed in MeV, of a proton?
A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 517 nm, while the power is 1.25 W. During surgery, the laser beam is turned on for 0.05...
What is the percentage error in neglecting the electronic binding energy in the hydrogen atom in the calculation of the nuclear mass of the atom from its atomic mass and the mass of the electron?
A one-gram sample of radium ^{224}_{88}Ra(atomic mass = 224.020 186 u, T(1/2) = 3.66 days) contains 2.69 * 10^{21} nuclei and undergoes α decay to produce radon ^{220}_{86}Rn (atomic mass =...
What is the speed of a particle whose kinetic energy is equal to twice its own rest energy?
A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 336 keV. What was the energy of the photon?
How much mass does a 100-watt bulb dissipate (in heat and light) in one year?
An experiment with tin oxide results with an empirical formula of SN_7O_{12}. Does this result make sense (if not why)? Which Tin can be formed based on which group it's in? What could cause the...
What is E = mc^2? What does it mean?
The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency, vo. Find the minimum energy needed to eject electrons from a metal with a threshold frequen...
The two rarer isotopes of hydrogen- deuterium and tritium can also be fused to make helium by the following reaction. ^2H + ^3H to ^4He + ^1n. In the course of this reaction, 0.01888 g of mass is l...
Use atomic masses to compute the total binding energy and the binding energy per nucleon for elemental cobalt, which has just one stable nuclide. Molar masses (g/mol) are: Co=58.933, P=1.007276, N...
When an electron and a positron destroy each other, they produce two photons in the gamma ray part of the spectrum: Assuming both gamma rays have the same energy as each other, calculate the wavele...
What is the binding energy (in kJ/mol nucleons) for copper-63, which has a mass of 62.92980 g/mol?
Calculate the mass defect of the fluorine nucleus 199F. The mass of neutral 199F is equal to 18.998403 atomic mass units.
The Earth receives approximately 2 \times 10^{14} kJ/s of solar energy. What mass of solar material is converted into energy each second to produce this much energy?
Calculate the energy released in the following fusion reaction. The masses of the isotopes are: ^{14}N (14.00307 amu), ^{32}S (31.97207 amu), ^{12}C (12.00000 amu), and ^{6}Li (6.01512 amu). ^{14}...
Describe how the ^{14}N_7 nucleus is formed from its nucleons and calculate its binding energy. Mass = 14.00307 g/mol
Find the energy of the gamma ray emitted in the radiative capture of an alpha particle by
Calculate the energy released when 0.5g of uranium 235 undergoes fission reaction.
The sun radiates energy into space at the rate of 3.9 \times 10^{26}\ J/s. Calculate the rate of mass loss from the sun in kilograms per second (kg/s).
Although it is not usually used, Einstein's equation E = mc2 applies to chemical reactions as well as nuclear reactions. A combustion reaction released 65 kJ when one gram of a reactant was burned....
A quantity of energy equal to 8.90 \times 10^{12} joules was emitted from a nuclear reaction. What amount of mass was required to be converted to yield this amount of energy? (1 J = 1 kg m^2/s^2)
Using Einstein's famous formula, E = mc^2, calculate the energy that would be released if a 6.40 x 10^1 kg person was converted entirely into energy. In joules, c = 3 x 10^8 m/s.
A plant creates sugar from gases and sunlight. The energy of the sun has: a) increased. b) decreased.
The actual measured mass of a beryllium-9 atom is 9.012182 atomic mass units (amu) and the expected mass is calculated to be 9.072429 amu. Therefore, the mass defect for a beryllium-9 nucleus is 0....
The mass defect for the following reaction is 0.00239 amu (1 amu = 1.66 x 10-27 kg). How much energy will this reaction provide? 11H + 10n arrow 21H
Which of the following is the correct description of Einstein's equation? - a change in mass is related to a change in energy. - matter can change form during chemical reactions. - energy and ma...
What is the mass defect (in amu) for the 5828Ni nucleus? neutrons = 1.008665 amu protons = 1.00728 amu 58Ni isotopic mass = 57.935342907 amu
Z_{0} boson has a rest mass energy of 91.187 GeV. It is produced in collisions of positrons and electrons, e^{-} + e^{+} \rightarrow Z_{0}. How much kinetic energy must the positrons and electrons...
Calculate the energy change in joules per mole of ^1_1H for the following nuclear reaction. ^1_1H + ^1_1H to ^2_1 H + ^0_1e ^1_1 H = 1.00783 amu ; ^2_1 H = 2.01400 amu ; ^0_1e = 0.000549 amu
Calculate the binding energy, the per atom, nucleon, and per mole for 37 Cl. Show work.
The density of a lamina in a plane is \rho(x,y) = 1 + x\ \dfrac{grams}{cm^2} , where the triangular plate has vertices (0,0), (0,4), (2,2). Find the mass of the lamina.
Which statement describes nuclear binding energy? A) It is the energy that is required to overcome mass defect. B) It is the result of converting mass to energy. C) It is the energy that is require...
What does the E stand for in Einstein's equation, E = mc2?
Consider the mass defect of the helium-4 nucleus, 0.030 amu. Use the following conversion factors and the equation E = mc2 to determine the binding energy in kJ/mol from this mass. (Hint: When you...
When a mole of lithium reacts chemically with hydrogen to form lithium hydride, the energy released is found to be roughly 90 joules. How much mass is lost? a. 1.0 \times 10^{-15} kg b. 2.7 \times...
The nuclear reaction X \rightarrow Y + Z occurs spontaneously. If M_(x), M_(y) and M_(z) are the masses of the three panicles, which of the following relationships is true? a. M_(x) less than M_(y...
If 3.0 kilograms of gasoline were burned in a car engine, they would yield 140,000,000 joules, which is a tremendous amount of energy. However, burning gasoline only produces a chemical change. Con...
What is the binding energy per nucleon for a Fe_{26}^{56} nucleus?
A scientist has data for the speed of light and energy variables. What form of the equation should the scientist use to determine the mass of an object?
A nuclear power plant produces an average of 3.2 \times 10^3 MW of power during a year of operation. Find the corresponding change in the mass of reactor fuel, assuming all of the energy released b...
According to Einstein's equation, what is another way matter and energy can change?
Calculate the binding energy per nucleon (in J) for 2H and 3H. The atomic masses are 2.014102 u for 2H, and 3.016049 u for 3H. (Enter unrounded values. Assume that the mass of 11H = 1.007825 u, mp...
What is responsible for the mass defect when protons and neutrons combine to form a nucleus? a. The mass difference comes from an extra neutron or proton. b. The mass defect comes from the electro...
How does relative mass relate to rest mass?
Calculate the nuclear binding energy per nucleon for the beryllium-8 isotope.
At the edge of our Earth's atmosphere, the Earth receives radiant energy from the sun at the size of S = 1370 W/m2. S is called the solar constant. So every second, there is 1,370 J of electromagne...
What is meant by energy-mass relationship? Explain with examples.
Find the relativistic momentum of an electron and proton accelerated through a potential of 10 x 106 Volts. a. 10.5 MeV/c, 137.4 MeV/c b. 10.5 MeV/c, 13.74 MeV/c c. 105 MeV/c, 13.74 MeV/c d. 105 Me...
How much energy would be generated if a physics student (mass = 62 kg) could be completely turned into energy?
Is it easier to take out a nucleon from carbon or from iron? From iron or from lead?
When methane burns, energy is released as heat and light. Does the energy released weigh anything?
a. Estimate the total binding energy for copper, in MeV. b. Estimate the energy, in joules, needed to break a 3.0 g copper penny into its constituent nucleons.
Energy is released during a nuclear reaction due to the conversion between mass and energy. Mass is not conserved. The initial and final amounts are different. If a total of 4.6 \ g of mass were m...
Lead Pb^{212}_{82} (atomic mass = 211.991871\ u) is converted into Bismuth Bi^{212}_{83} (atomic mass = 211.991255\ u) via a \beta^{-1} decay. What is the energy (in MeV) released in this process?
If the binding energy per nucleon for U-235 is 7.5702 MeV, which can offer a greater amount of energy per mass unit: He-4 or U-235?
Calculate the binding energy per nucleon for He-4.
Why is the total mass of a helium nucleus not equal to the mass of its individual parts? a. The "missing" mass is due to inaccurate measurements on a very small scale. b. The "missing" mass has bee...
Two protons, when joined together, have less mass than two single separate protons; this "lost" amount of extra mass can be justified by Einstein's formula, E = mc^2. a. TRUE b. FALSE
A certain chemical reaction experiences a 7.50 \times 10^{-7} kilogram loss in mass. If this mass were to be totally converted to energy, what would be the magnitude of that energy? (1 J = 1 kg m^2...
In a nuclear reaction, 2.50 \times 10^{12} joules of energy have been released. What does this value equate to in kilograms? (1 J = 1 kg m^2/s^2) a. 8.33 \times 10^4 kg b. 7.5 \times 10^{20} kg c....
The actual measured mass of a beryllium-9 atom is 9.012182 atomic mass units (amu) and the expected mass is calculated to be 9.072429 amu. Therefore, the mass defect for a beryllium-9 nucleus is 0....
In a nuclear reaction, the energy released is 3.0 \times 10^{20} joules. To what mass does this amount of energy equate? (1 J = 1 kg m^2/s^2) a. 2.7 \times 10^{36} kg b. 1.0 \times 10^{12} kg c. 3....
A nucleus's binding energy is the energy that must be supplied to form a nucleus from its individual nucleons. a. TRUE b. FALSE
Einstein's equation applies to which of the following? a. only nuclear reactions. b. only chemical reactions. c. both nuclear and chemical reactions. d. neither nuclear nor chemical reactions.
Which of the following is the correct description of Einstein's equation? a. a change in mass is related to a change in energy. b. matter can change form during chemical reactions. c. energy and ma...
Does dark energy have mass?
What is mass defect in physics?
Why is the relation E =mc^2 not valid for an electron although it possess wave nature?
An atom of 206Pb has a mass of 205.974440 amu. Calculate its binding energy per mole in kJ. Give your answer in exponential format with 4 significant figures and no units. Use the masses: mass of 1...
How can the speed of light be squared?
Unstable nuclei become more stable by spontaneously undergoing a change in their nucleus and emitting radiation. What is the term used to describe this process?
What is meant by nuclear binding energy? Calculate the binding energy per nucleon of Li isotope, which has the isotopic mass of 7.016 \ amu. The individual masses of neutron and proton are 1.008665...
The average kinetic energy of molecules in a gas at temperature T is 1.5 kT. Find the temperature at which the average kinetic energy of the molecules of hydrogen equals the binding energy of its a...
If a proton with a kinetic energy of 5.9 MeV is traveling in a particle accelerator in a circular orbit with a radius of 0.540 m, what fraction of its energy does it radiate per second?
The mass of 1H is 1.007825 u and the mass of 1N is 1.008665 u. The mass of 12C is 12.000000 u, of 13N is 13.005739 u, and of 14N is 14.003074 u. What is the binding energy of the last neutron in 14N?
What is the binding energy of 50Ti? The mass of 50Ti is 49.9448 amu.
If a black hole and a "normal" star orbit each other, gases from the normal star falling into the black hole can have their temperature increased by millions of degrees due to frictional heating. W...
Suppose that one could release all of the energy contained in a mass of 500 grams of dirt (0.500 kg, which is about half a pound). a. How much energy would be released (in Joules)? b. If the amount...
A proton in a large accelerator has a kinetic energy of 175 GeV. (a) Compare this kinetic energy to the rest energy of the proton.
A star similar to our sun radiates energy at the prodigious rate of 3.0 \times 10^{26} \ W. a) At what rate does this star convert mass into energy? b) Assuming that the star has radiated at thi...
(a) Calculate the energy released in the \alpha-decay of ^{232}Th (b) What fraction of the mass of a single ^{232}Th is destroyed in the decay? The mass of ^{228}Ra is 228.031064 u. (c) Although t...
How much energy would be needed to totally take apart ^{32}P nucleus?
Calculate the binding energy per nucleon for ^{32}P.
Calculate the total binding energy of the nuclei of ^{207}Pb (of atomic mass 206.9759 u ).
Quasars are believed to be the nuclei of galaxies in the early stages of their formation. Suppose a quasar radiates electromagnetic energy at the rate of 2.3x10^41W. At what rate (in kg/s) is the q...
A star similar to our sun radiates energy at the prodigious rate of 3.6x10^26W. a) At what rate does this star convert mass into energy? b) Assuming that the star has radiated at this same rate for...
Suppose you use an average of 490 kW/h of electric energy per month in your home. a) How long would 1.00 \ g of mass converted to electric energy with an efficiency of 38.0 % last you? b) How man...
A nuclear bomb explosion results in a mass decrease of about between the initial and the final components. How much energy is released? Let the speed of light c = 3.00 \times 10^8 m/s. a. 6.30 \ti...
The mass of an isotope of lithium is 6.015123 u. It has 3 protons, 3 electrons, and 3 neutrons. What is its mass defect? a. 0.034347 u b. 3.023478 u c. 0.026331 u d. 6.049545 u
According to the U.S. Energy Information Administration, the US used approximately 4.12x10^12kWh of electrical energy during 2010. a) If we could generate all the energy using a matter-antimatter r...
Calculate the mass difference in atomic mass units, between the helium nucleus and its constituent nucleons?
The Law of Conservation of Energy tells us that energy cannot be created nor destroyed. At the center of our Solar System is the Sun, and the Sun is constantly generating energy allowing our Earth...
A muon and an antimuon are moving in opposite directions with velocities of -0.5 c and 0.5 c, respectively. When they collide, they can annihilate each other and turn into two photons. Both muon an...
It is observed that ^{65}Ni, with a mass of 64.930088 u, decays by beta- emission. (a) Identify the nucleus that results from this decay. (b) If the nucleus found in part (a) has a mass of 64.92779...
In the fission of ^{235}U, the masses of the final products are less than the mass of ^{235}U. Does this make sense? What happens to the mass?
A muon and an antimuon are moving in opposite directions with velocities of -0.7 \ c and 0.7 \ c, respectively. When they collide, they can annihilate each other and turn into two photons. Both mu...
The total U.S. consumption of electricity in a particular year was 5.0 x 1012 kilowatt-hours. What is the mass equivalence of this amount of energy?
The energy required to remove an inner K-shell electron from a silver atom is 25.6 kilo-electronVolt. Compare this electron binding energy (the most tightly bound electron) with the binding energy...
What is the energy released when three alpha particles combine to form 12C?
a) Calculate the energy released by the destruction of 1.00kg of mass. b) How many kilograms could be lifted to a 10.0km height by this amount of energy?
What term is applied to a nuclear reaction if the products have less mass than the reactants? What term is applied to the difference in mass in such a case?
Using the results from above (1.29^29kg), how much total energy is available to the Sun via nuclear fusion over its lifetime? (HINT: only 0.71% of the total mass of the available H in the core is c...
Einstein's mass-energy equivalence equation states that E = mc^2. Explain how the equation shows that nuclear reactions are a source of a tremendous amount of energy.
A particle of mass m, moving at speed v = 0.868c, collides with an identical particle that is at rest. The two particles react to produce a new particle of mass M and nothing else. (Use the followi...
To say that E = mc^2 is to say that energy: (a) increases as the speed of light squared. (b) is twice as much as the speed of light. (c) and mass are equivalent. (d) equals mass traveling at the sp...
Compared with the mass of a uranium atom undergoing fission, the combined masses of the products after fission are: (a) less. (b) more. (c) the same. (d) zero.
In both fission and fusion, energy is released while mass: (a) decreases. (b) remains unchanged; is conserved. (c) increases. (d) may decrease or increase.
Consider two reactions: 1. n + ^2_1H \rightarrow ^3_1H 2. ^1_1H + ^2_1H \rightarrow ^3_2He (a) Compute the Q values for these reactions. Identify whether each reaction is exothermic or endotherm...
Two nuclei having the same mass number are known as isobars. a) Calculate the difference in binding energy per nucleon for the isobars 1123Na and 1223Mg. b) How do you account for this difference?...
Calculate the binding energy of the last neutron in the 2043Ca nucleus. Hint: You should compare the mass of 2043Ca with the mass of 2042Ca plus the mass of a neutron. The mass of 2042Ca=41.958622u...
In positron decay, a proton in the nucleus becomes a neutron, and the positive charge is carried away by the positron. A neutron, though, has larger rest energy than a proton. How is that possible?
Calculate the binding energy per nucleon for (a) 2H, (b) 4He, (c) 56Fe, and (d) 238U.
What is the energy released in this alpha decay reaction ^{226}_{88} Ra right arrow ^{222}_{86} Rn + ^4_2 He (The atomic mass of ^{226}Ra is 226.0254098 u, ^{222}Rn is 222.0175777 u and ^4 He is 4....
What is the source of the energy emitted in radioactive decay? Identify an earlier conservation law, and describe how it was modified to take such processes into account.
What do we mean by mass-energy? Is it a form of kinetic, radiative, or potential energy? How is the idea of mass -energy related to E = m c^2 ? Explain how E = m c^2 is at work in our Sun to pr...
Einstein's discovery that energy and mass are equivalent had let to technological developments that are both beneficial and dangerous. Discuss three of these developments. Overall, do you think the...
Calculate the average binding energy per nucleon for carbon, ^{12}C (atomic mass = 12 u).
How much energy is absorbed or released when a proton combines with a deuterium nucleus to produce ^3 He? (The relevant masses are: Proton: 1.672622 times 10^{-27} kg, Deuterium: 3.344494 times 10^...
Since mass is a form of energy, can we conclude that a compressed spring has more mass than the same spring?
A helium nucleus has a mass of 4.001505 u. What is its binding energy?
Find the energy equivalent of one atomic mass unit, first in Joules and then in MeV. Using this, express the mass defect of ^{16}_8 O in MeV/c^2.
UV radiation having a 300-nm wavelength falls on uranium metal, ejecting 0.500-eV electrons. What is the binding energy of electrons to uranium metal?
Violet light of wavelength 400 nm ejects electrons with a maximum kinetic energy of 0.860 eV from sodium metal. What is the binding energy of electrons to sodium metal?
What is the minimum energy produced when a proton-antiproton pair annihilate, in gev? Give your answer to 3 decimal places and include units.
What are the advantages of colliding-beam accelerators? What are the disadvantages?
What is Einstein's famous equation?
When 1 mol of radon-222 decays by alpha emission, 5.4 x 10^8 kJ of energy is released. How much mass was lost during this process?
What is the binding energy of the electron in KJ/mol?
A particle accelerator sends high-velocity charged particles down an evacuated pipe. Explain how a coil of wire wrapped around the pipe could detect the passage of individual particles. Sketch a gr...
Which of the following is NOT a result of global warming? - Changes in the breeding seasons of some species. - Decreasing sea levels. - Melting permafrost. - Shifts in the geographical range of...
What is the mass defect of oxygen-16?
What is the nuclear binding energy for uranium-238 in joules?
If the mass od one neutron is 1.00866 amu, the mass of one proton is 1.00728 amu, and the mass of 12C nucleus is 11.99671 amu, calculate the binding energy for the 12C nucleus. A-1.10x10^18 kJ/mo...
In the sun, nuclear fusion takes place. If the decrease in mass is 0.00650g, how much energy is released?
How much energy in KJ is release to form one mole of ^{123}Sb from protons and neutrons, if the atom has a mass of 122.90422 amu?
How much energy is liberated when 1 g of matter is destructed/decomposed?
Which of the following has the highest binding energy (nuclear chemistry) Fe-56, O-16, H-3, U-235 and explain why
What is the kinetic energy in MeV of a \pi- meson that lives 1.80 \times 10^{-16} \ s as measured in the laboratory, and 0.840 \times10^{-16} \ s when at rest relative to an observer, given that it...
True or false: The sum of the masses of individual nuclear particles is less than their masses when combined.
Calculate the mass defect for the formation of phosphorus-31. The mass of a phosphorus-31 nucleus is 30.973765 amu. The masses of a proton and a neutron are 1.00728 and 1.00866 amu, respectively.
For the following fusion reaction, calculate the change in energy per mole. ^2H_1 + ^3He_2 to ^4He_2 + ^1H_1.
Calculate the mass that if converted to energy would be equivalent to the energy released when 1 g of CH4 is burned.
Calculate the mass defect and the binding energy per nucleon of the nuclide ^9Be_4, which has a mass of 9.01218224 amu.
Chlorofluorocarbons (CFCs) are organic compounds that have been implicated in ozone depletion. When the CFC known as Freon 12 (CCl2F2) is exposed to UV radiation (wavelength in the range of 10 nm t...
a .Calculate BE / A for ^{12}C. Stable and relatively tightly bound, this nuclide is most of natural carbon. b. Calculate BE / A for ^{14}C. Is the difference in BE / A between ^{12}C and ^{14}C s...
Show that 1 kg = 5.6*10^{26} GeV/c^2
How much energy in KJ is release to form one mole of 123Sb from protons and neutrons if the atom has a mass of 122.90422 amu?
For mercury 202Hg (atomic mass = 201.970617 u) obtain the mass defect in atomic mass units. Do not enter unit.
What is the energy released in this nuclear reaction 139 51 Sb ? 139 52 Te 0 ? 1 e? (The atomic mass of 139 Sb is 138.945985 u and that of 139 Te is 138.934734 u)
calculate the disintegration energy q for the fission of 40Ca into two equal fragments. The masses you will need are: 40Ca (39.962591 u), 20Ne (19.992435 u)
What is the binding energy, \Delta E, for a beryllium-9 nucleus in MeV/nucleon? Express your answer numerically in millions of electron volts per nucleon. (Recall that 1 MeV = 1.6 \times 10^{-13}...
For the common isotope of nitrogen 14N, calculate: a. The mass defect. (Delta M = u) b. The binding energy. (E = MeV) c. The binding energy per nucleon (E per nucleon = MeV nucleon)
How does Einsteins formula e=mc^2 and general relativity relate to the atomic bomb
What is the energy released in the fission reaction 01n + 92235U \rightarrow 56137Ba + 3697Kr + 2 01n? (The atomic mass of 137Ba is 136.9058274 u and that of 97Kr is 96.94856 u) . Answer in MeV
Explain Einstein's Mass?energy equivalence, E=mc^2
Is h f = 2 m c 2 why?
How is mass expressed in terms of eV?
It is said atom is neither created nor destroyed then how this universe came into existence?
For the following fusion reaction, calculate the change in energy per mole. 2/1H + 3/2He arrow 4/2He + 1/1H
Can energy be converted into mass? If yes, then how?
The relation E0 = mc2 is essential to the operation of a power plant based on nuclear fission but has only a negligible relevance for a fossil-fuel plant. Is this a true statement? Explain why or w...
The mass of a particle is (a) less than the sum of masses of two protons and two neutrons. (b) equal to the mass of four protons. (c) equal to the mass of four neutrons. (d) equal to the sum o...
Find the binding energy of an e- in the ground-state of an H like an atom in whose spectrum the third Balmer line is equal to 108.5 nm.
When the plutonium bomb was tested in New Mexico in 1945, approximately 1 gram of matter was converted into energy. Suppose another bomb is tested, and 4.0 grams of matter are converted into energy...
The binding energy per nucleon of carbon (mass number = 12) is 7.68 Mev and that of carbon (mass number = 13) is 7.47 Mev. What is the energy required to remove one neutron from carbon (mass number...
Derive the equation of the mass-energy relationship.
The energy equivalent of one atomic mass unit is (a) 1.6 \times 10^{-9} J (b) 6.02 \times 10^{23} J (c) 931 MeV (d) 9.31 MeV.
The mass of a proton is 1.0073 u and that of a neutron is 1.0087 u (u = atomic mass unit). The binding energy of 2He4is (a) 0.061 u (b) 0.0305 j (c) 0.0305 erg (d) 28.4 MeV.
What would happen if you fired a nuclear bomb at a nuclear power station?
Wouldn't an antimatter/matter reaction contradict the law of conservation of matter?
Explain Einstein's equation E = mc2 in simple terms.
Prove E = mc^2.
Why does mass increase with Velocity (speed of light)?
What is definitive proof of E = m c 2 ?
Is E=mc^2 proven?
Calculate the binding energy in MeV per nucleon in the carbon 12 isotope. Note that the mass of this isotope is exactly 12 u, and the masses of the proton and neutron are 1.007276 u and 1.008665 u,...
(a) Calculate BE / A for 235 U, the rarer of the two most common uranium isotopes. (b) Calculate BE / A for 238 U. (Most of uranium is 238 U.) Note that 238 U has even numbers of both protons and...
What is the percentage increase in the mass of an electron accelerated to a energy of 500MeV?
What is the percentage increase in mass of an electron, accelerated to a kinetic energy of 500MeV?
Consider a nucleus with atomic mass 55.934939 u. It undergoes an alpha {4.002603 u} decay resulting in a daughter nucleus with atomic mass 51.940509 u. a) How much energy in atomic mass units was...
The LON-CAPA computer weighs exactly 33.8 pounds. If it were completely annihilated and turned directly into energy, how many kilojoules of energy would be released?
Find the energy released in the alpha decay below: ^{214}_{84}Po to ^{210}_{82}Pb + ^4_2He. You will find the following mass values useful. M(^{214}_{84}Po) = 214.051848 u, M(^{210}_{82}Pb) = 210.0...
Iodine-131, a radioactive isotope, has a nuclear mass of 130.8770 u. The atomic number of iodine is 53. Find the binding energy of the I-131 nucleus in joules.
Calculate the average binding energy per nucleon of each of the following isotope. ^{52} Cr_{24}.
What is the binding energy per nucleon of 197 Au (atomic number = 79)? (The following information regarding atomic masses will be needed: 197Au, 196.966 543 u; hydrogen, 1.007 825 u; neutron, 1.008...
The nuclear mass of 141 Ba is 140.883 amu. Calculate the Binding energy per nucleon for 141 Ba. In J/Nucleon
The Sun produces energy at a rate of 4.00 times 10^{26} W by the fusion of hydrogen. (a) How many kilograms of hydrogen undergo fusion each second? (b) If the Sun is 90.0% hydrogen and half of this...
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