how much heat is released when 36 g of steam at 100. C is cooled to ice at -15. 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)