Q.

The molar specific heat of the process P=aT for a monoatomic gas, a being constant , is b2R. The value of b is

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answer is 7.

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Detailed Solution

We know that dQ=dU+dWspecific heat  C=dQdT=dUdT+dWdT    .......(i)Since,  dU=CVdT                            ..........(ii)C=CV+dWdT=CV+pdVdTpV=RT∴ For the given process, V=RTp=RT2adVdT=2RTa∴C=CV+p2RTa=CV+2R=32R+2R=72R
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