thermo

1 Answers

We know that,

Cp-Cv=R.

CpCv-1=RCv

Y-1=RCv (Y=CpCv)

Now molar heat capacity of any polytropic process is given as(PVⁿ=constant),

U=RY-1-Rn-1

U=RRCv-Rn-1

U=Cv-Rn-1

Now comparing with the given equations, n=-1.
So, the process should be PV=constant (b)

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