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

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

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18.

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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