Potassium superoxide, KOz, is often used in oxygen masks (such as those used by

Chemistry: The Central Science | 11th Edition | ISBN: 9780136006176 | Authors: Theodore E. Brown, H. Eugene H LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward

Problem 7.111 Chapter 7

Chemistry: The Central Science | 11th Edition

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Chemistry: The Central Science | 11th Edition | ISBN: 9780136006176 | Authors: Theodore E. Brown, H. Eugene H LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward

Chemistry: The Central Science | 11th Edition

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Problem 7.111

Potassium superoxide, KOz, is often used in oxygen masks (such as those used by firefighters) because K02 reacts with C02 to release molecular oxygen. Experiments indicate that 2 mol of K02(s) react with each mole of C02{g). (a) The products of the reaction are K2C03(s) and 02{g). Write a balanced equation for the reaction between K02(s) and COz(g). (b) Indicate the oxidation number for each atom involved in the reaction in part (a). What elements are being oxidized and reduced? (c) What mass of K02(s) is needed to consume 18.0 g C02(g)? What mass of 02{g) is produced during this reaction?

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CH 101 Chapter 1 notes Law of definite proportions­ ratio of mass and quantity will always be the same Ex. 40 g of CO2 is made up of 12 g of carbon. How much oxygen is present What is the ratio of oxygen to carbon. 40g= total mass 40 g­12 g carbon leaves 28 g oxygen 28 O/ 12 g C = 7:3 John Dalton (1766­1844) Elements are made up of...

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Chapter 7, Problem 7.111 is Solved
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Textbook: Chemistry: The Central Science
Edition: 11
Author: Theodore E. Brown, H. Eugene H LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward
ISBN: 9780136006176

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