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An ideal gas (C(P)//C(V)=gamma) is exp...

An ideal gas `(C_(P)//C_(V)=gamma)` is expanded so that the amount of heat transferred to the gas the is equal to the
decrease in its internal energy .
What is the molar heat capacity of gas in this process ?

A

`C_(V)`

B

`-C_(V)`

C

`C_(P)`

D

`2C_(V)`

Text Solution

Verified by Experts

The correct Answer is:
B
`dq = - dU`
`n. C dT = - n C_(v)dT`
`thereforeC=- C_(V)`
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