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A diatomic gas (g = 1.4) does 200 J of work when expanded isobarically. Find the heat given to the gas in the process.

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detailed solution

Correct option is A

For a diatomic gas, CV=52R, Cp=72RIn an isobaric process, W=p(V2−V1)=nR(T2−T1)⇒T2−T1=WnR .Q=nCpΔT=nCpWnR=CpWR=72RWR=72×200=700 J .

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