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11. A 28.02g sample of an unknown gas occupies a volume of 8.314L at 0°C and 273kPa. What is the identity of the gas? a) Nitrogen b) Fluorine c) Helium d) Oxygen 12. A mixture of hydrogen, oxygen, and nitrogen gas have a total pressure of 111kPa. If the pressure of oxygen is 100.7kPa and nitrogen is 7.2kPa, what is the partial pressure of hydrogen? a) 7.2kPa b) 10.3kPa c) 3.1kPa d) Not enough information 13. What is the density (in g/L) of water vapour at STP?

11. A 28.02g sample of an unknown gas occupies a volume of 8.314L at 0°C and 273kPa. What is the identity of the gas? a) Nitrogen b) Fluorine c) Helium d) Oxygen 12. A mixture of hydrogen, oxygen, and nitrogen gas have a total pressure of 111kPa. If the pressure of oxygen is 100.7kPa and nitrogen is 7.2kPa, what is the partial pressure of hydrogen? a) 7.2kPa b) 10.3kPa c) 3.1kPa d) Not enough information 13. What is the density (in g/L) of water vapour at STP?

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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11. A 28.02g sample of an unknown gas occupies a volume of 8.314L at 0°C and 273kPa. What is the identity of the gas? c) Helium d) Oxygen a) Nitrogen b) Fluorine 12. A mixture of hydrogen, oxygen, and nitrogen gas have a total pressure of 111kPa. If the pressure of oxygen is 100.7kPa and nitrogen is 7.2kPa, what is the partial pressure of hydrogen? a) 7.2kPa c) 3.1kPa b) 10.3kPa d) Not enough information 13. What is the density (in g/L) of water vapour at STP?
Transcribed Image Text:11. A 28.02g sample of an unknown gas occupies a volume of 8.314L at 0°C and 273kPa. What is the identity of the gas? c) Helium d) Oxygen a) Nitrogen b) Fluorine 12. A mixture of hydrogen, oxygen, and nitrogen gas have a total pressure of 111kPa. If the pressure of oxygen is 100.7kPa and nitrogen is 7.2kPa, what is the partial pressure of hydrogen? a) 7.2kPa c) 3.1kPa b) 10.3kPa d) Not enough information 13. What is the density (in g/L) of water vapour at STP?
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