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18. A) Self-contained self-rescue breathing devices convert CO, to O2 according to the following reaction: 4 KO, (s) + 2 CO, (g) → 2 K,CO; (s) + 3 0; (g) How many grams of KO, are nceded to produce 100.0 L of O; at 20 °C and 1 atm? (Molar mass of KO, is 71.1 g/mol) B) A gascous mixture made from 6.00 g O, and 9.00 g of CH, is placed in 15.0 L vessel at 0 C. What is the total pressure in the vessel? (Molar Mass of O, is 32.0 g/mole and CH, is 16.0 g/mole)

18. A) Self-contained self-rescue breathing devices convert CO, to O2 according to the following reaction: 4 KO, (s) + 2 CO, (g) → 2 K,CO; (s) + 3 0; (g) How many grams of KO, are nceded to produce 100.0 L of O; at 20 °C and 1 atm? (Molar mass of KO, is 71.1 g/mol) B) A gascous mixture made from 6.00 g O, and 9.00 g of CH, is placed in 15.0 L vessel at 0 C. What is the total pressure in the vessel? (Molar Mass of O, is 32.0 g/mole and CH, is 16.0 g/mole)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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18. A) Self-contained self-rescue breathing devices convert CO, to O2 according to the following reaction: 4 KO, (s) + 2 CO, (g) → 2 K,CO; (s) + 3 0; (g) How many grams of KO, are nceded to produce 100.0 L of O; at 20 °C and 1 atm? (Molar mass of KO, is 71.1 g/mol) B) A gascous mixture made from 6.00 g O, and 9.00 g of CH, is placed in 15.0 L vessel at 0 C. What is the total pressure in the vessel? (Molar Mass of O, is 32.0 g/mole and CH, is 16.0 g/mole)
Transcribed Image Text:18. A) Self-contained self-rescue breathing devices convert CO, to O2 according to the following reaction: 4 KO, (s) + 2 CO, (g) → 2 K,CO; (s) + 3 0; (g) How many grams of KO, are nceded to produce 100.0 L of O; at 20 °C and 1 atm? (Molar mass of KO, is 71.1 g/mol) B) A gascous mixture made from 6.00 g O, and 9.00 g of CH, is placed in 15.0 L vessel at 0 C. What is the total pressure in the vessel? (Molar Mass of O, is 32.0 g/mole and CH, is 16.0 g/mole)
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