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When an amount Q of heat was added to a particular ideal gas, the volume of the gas changed from V1 to V2 while the pressure remained constant at p. By how much did the internal energy ?Eint of the gas change? If the quantity of gas present is n moles, find the molar specific heat of the gas at constant pressure Cp and constant volume CV. State your answers in terms of the given variables, using the gas constant R if necessary.

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