Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter5: Gases
Section: Chapter Questions
Problem 33QAP: Dichlorine oxide is used as bactericide to purify water. It is produced by the chlorination of...
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![Calcium hydride, CaH2, reacts with water to form hydrogen gas.
CaH2(s) + 2 H20() → Ca(OH)2(aq) + 2 H2(g)
This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of
generating H2 is desired. How many grams of CaH2 are needed to generate 11.0 L of H2 gas if the pressure of H2 is 730.
torr at 21°C?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4258fd4-5f98-4238-b9eb-22d11164c163%2F6d604b2e-09b8-4062-b50f-c19ddd7452ae%2F4quro8q_processed.png&w=3840&q=75)
Transcribed Image Text:Calcium hydride, CaH2, reacts with water to form hydrogen gas.
CaH2(s) + 2 H20() → Ca(OH)2(aq) + 2 H2(g)
This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of
generating H2 is desired. How many grams of CaH2 are needed to generate 11.0 L of H2 gas if the pressure of H2 is 730.
torr at 21°C?
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