AP EAMCET Engineering 22 Apr 2019 Shift 2 Paper

The standard molar enthalpy of vaporisation of benzene ΔvapH° at 353 K is 30.8 kJ mol−1. If the benzene vapours behave as an ideal gas. the change in internal energy of vaporisation of 78 g of benzene at 353 K in kJ mol−1 is (1 L - atm = 101.32 J)