Physics
NULL
Medium
Question
Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their_____________?
A
volume
B
pressure
C
absolute temperature
✓ Official correct answer
D
time
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A
volume
No member explanations yet for this option.
B
pressure
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C
absolute temperature
No member explanations yet for this option.
D
time
No member explanations yet for this option.
Explanation
Average translational kinetic energy of a gas molecule, (3/2)kT, depends only on absolute temperature, not on molecular mass, so it is the same for all gas molecules at a given temperature.
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