e molar

Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter9: Gases
Section: Chapter Questions
Problem 64E: In an experiment in a general chemistry laboratory, a student collected a sample of a gas over...
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6) An unknown gas effuses through an opening at a rate that is one third that of helium gas. What is the molar
mass of the unknown gas?
A) 12.0 g/mol
B) 36.0 g/mol
C) 6.93 g/mol
7) Which of the following is an incorrect statement of Kinetic Molecular Theory
A) The volume of each particle is negligible
B) The average kinetic energy is proportional to temperature (°C)
C) Particles are in continuous motion
D) Particles do not exert forces on each other; collisions are elastic
Transcribed Image Text:6) An unknown gas effuses through an opening at a rate that is one third that of helium gas. What is the molar mass of the unknown gas? A) 12.0 g/mol B) 36.0 g/mol C) 6.93 g/mol 7) Which of the following is an incorrect statement of Kinetic Molecular Theory A) The volume of each particle is negligible B) The average kinetic energy is proportional to temperature (°C) C) Particles are in continuous motion D) Particles do not exert forces on each other; collisions are elastic
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