1. Exactly 500 mL of a gaseous compound at 70.0 cm of Hg and a temperature of 270C has a mass of 1.85 grams. Determine the molecular weight of a gas. a.104 g/mol b.86 g/mol c.108 g/mol d. 99 g/mol 2. A mixture of gases in a 20-L, vessel contains 15 g of CO2 ang 6 grams of CH4 at a temperature of 280C. Determine the partial pressure of each gas present at the total pressure of gas mixture in the vessel. a. 0.668 atm b. 0.894 atm c. 0.782 atm d. 0.883 atm 3. What volume will be occupied by 33.0 grams of CO2 at 706 torr and 270C? a. 20.7L b. 19.9L c. 20.3L d. 21.2L
1. Exactly 500 mL of a gaseous compound at 70.0 cm of Hg and a temperature of 270C has a mass of 1.85 grams. Determine the molecular weight of a gas. a.104 g/mol b.86 g/mol c.108 g/mol d. 99 g/mol 2. A mixture of gases in a 20-L, vessel contains 15 g of CO2 ang 6 grams of CH4 at a temperature of 280C. Determine the partial pressure of each gas present at the total pressure of gas mixture in the vessel. a. 0.668 atm b. 0.894 atm c. 0.782 atm d. 0.883 atm 3. What volume will be occupied by 33.0 grams of CO2 at 706 torr and 270C? a. 20.7L b. 19.9L c. 20.3L d. 21.2L
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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1. Exactly 500 mL of a gaseous compound at 70.0 cm of Hg and a temperature of 270C has a mass of 1.85 grams. Determine the molecular weight of a gas.
a.104 g/mol
b.86 g/mol
c.108 g/mol
d. 99 g/mol
2. A mixture of gases in a 20-L, vessel contains 15 g of CO2 ang 6 grams of CH4 at a temperature of 280C. Determine the partial pressure of each gas present at the total pressure of gas mixture in the vessel.
a. 0.668 atm
b. 0.894 atm
c. 0.782 atm
d. 0.883 atm
3. What volume will be occupied by 33.0 grams of CO2 at 706 torr and 270C?
a. 20.7L
b. 19.9L
c. 20.3L
d. 21.2L
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