Q.
Which of the assumptions of the kinetic-molecular theory best explains the observations that a gas can be compressed?
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a
Gas molecules move at random with no attractive forces between them
b
The velocity of gas molecules is proportional to their kelvin temperature
c
The amount of space occupied by a gas is much greater than the space occupied by the actual gas molecules
d
In collisions with the walls of the container or with other molecules, energy is conserved
answer is C.
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Detailed Solution
When compression occurs then the gas molecules comes close to each other and interaction also increases.
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