What is the enthalpy change during the process in which 100.0 g of water at 50.0°C is cooled to ice at -30.0°C? The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H2O, ΔHfus = 6.01 kJ/mol, and ΔHvap = 40.67 kJ/mol.