1.

S.n moles of a gas are filled in a container at temperature T. If the gas is slowly and isothermallycompressed to halfits initial volume, the work done by the atmosphere on the gas isnRTnRT(2- 2nRT In 2(4) -nRTIn2

Answer»

work done in isothermal process is = nRTln(V2/v1)

and since volume is halved

so, work done will be = nRTln(1/2) = -nRTln2

option 4



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