How much heat is released when 105 g of steam at 100.0°c is cooled to ice at -15.0°c? the enthalpy of vaporization of water is 40.67 kj/mol, the enthalpy of fusion for water is 6.01 kj/mol, the molar heat capacity of liquid water is 75.4 j/(mol • °c), and the molar heat capacity of ice is 36.4 j/(mol • °c).