Calculate the work done by the gas in each case. for he cp, Ask an Expert

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How much heat is required to raise one mole of He gas by 10 K if (a) the gas is confined to a sealed container and (b) the gas is confined by a piston, the external pressure being 10 atm. Also, calculate the work done by the gas in each case. For He, Cp= 20.79 J/K/mol and Cv= 12.38 J/K/mol, which may be taken as independent of temperature.

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