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five grams of the specified pure solvent is placed is placed in a variable volume piston. What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at : (i) 30 C, (ii)50 C? Use liquid at 25 C as a reference state. a/ Benzene (rho=0.88g/cm^3) b/ water using the steam tables

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