Chemistry
9th Edition
ISBN: 9781133611097
Author: Steven S. Zumdahl
Publisher: Cengage Learning
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Chapter 5, Problem 93E
At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8765-g sample of impure sodium chlorate was heated until the production of oxygen gas ceased. The oxygen gas collected over water occupied 57.2 mL at a temperature of 22°C and a pressure of 734 torr. Calculate the mass percent of NaClO3 in the original sample. (At 22°C the vapor pressure of water is 19.8 torr.)
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Using the Ideal Gas Law, determine the experimental moles of hydrogen gas…
The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of sodium azide, which produces large
volumes of nitrogen gas.
1. Write a balanced chemical equation, including physical state symbols, for the
decomposition of solid sodium azide (NaN,) into solid sodium and gaseous dinitrogen.
alb
Ar
2. Suppose 12.0 L of dinitrogen gas are produced by this reaction, at a temperature of
13.0 °C and pressure of exactly 1 atm. Calculate the mass of sodium azide that must
have reacted. Round your answer to 3 significant digits.
Explanation
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Solid barium oxide and carbon dioxide gas are produced by the decomposition of solid barium carbonate BaCO3.
Write a balanced chemical equation for this reaction.
Chapter 5 Solutions
Chemistry
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY