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Sodium hydride reacts with excess water to produce aqueous sodium hydroxide and hydrogen gas:...

Question:

Sodium hydride reacts with excess water to produce aqueous sodium hydroxide and hydrogen gas:

{eq}NaH(s) + H_2O(l) \rightarrow NaOH(aq) + H_2(g) {/eq}.

How much NaH is needed to produce 982 mL of hydrogen gas at 28 degrees Celsius and 765 torr?

a. 2.93 g

b. 0.925 g

c. 0.960 g

d. 0.0388 g

e. 925 g

Balanced Chemical Equations:

A balanced chemical equation accurately expresses the chemical equations that describe the changes between the substances involved in a reaction. This provides the changes occurring in the reactants of the reaction and their relative amounts which can be derived from the coefficients of the substances.

Answer and Explanation: 1

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Determine the mass of NaH in order to proceed with the complete reaction. From the balanced chemical reaction, we determine that 1 mole of NaH corresp...

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Balanced Chemical Equation: Definition & Examples

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Chapter 10 / Lesson 18
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Learn about the steps to balancing chemical equations. Understand how to balance chemical equations, practice balancing chemical equations, and see examples.


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