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)`

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1 Answers

Correct Answer - B
`dq = - dU`
`n. C dT = - n C_(v)dT`
`thereforeC=- C_(V)`

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