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Q2. Enthalpy-Change in State Relation 1 (Medium)
Calculate ΔH for the process in which 55 g of water is
converted from liquid at 15°C to vapor at 25°C. Heat of
fusion = 6.01 kJ/mol; Heat of vaporization = 40.67 kJ/mol;
specific heat = 4.18 J/g.°C