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A vessel contains an ideal monoatomic ga...

A vessel contains an ideal monoatomic gas which expands at constant pressure, when heat Q is given to it. Then the work done in expansion is

A

Q

B

`(3)/(5) Q`

C

`(2)/(5) Q`

D

`(2)/(3) Q`

Text Solution

Verified by Experts

The correct Answer is:
C
For process at constant pressure.
`Q=nC_(P)DeltaT=5/2 nR DeltaT` and `W=P DeltaV=nRDeltaT=2/5 Q`
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RESONANCE-KINETIC THEORY OF GASES AND THERMODYNAMICS-Exercise
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