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If a gas expands at constant temperature...

If a gas expands at constant temperature:

A

The pressure decreases

B

The kinetic energy of the molecules increases

C

The kinetic energy of the molecules decreases

D

The number of molecules of the gas increases

Text Solution

Verified by Experts

The correct Answer is:
A
When temp is constant, K.E is constant the pressure will fall when expansion of gas occurs at constant T
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