calculate enthalpy change on fusion of one mole of ice at minus 5 degree Celsius to water at 5 degree Celsius delta H fusion is equal to 6.03 kilo joule mole at zero degree centigrade cp for H2O liquid is equal to 75.3 joule per mole inverse Kelvin inverse CP for H2O solid is equal to 36.8 joule Mole inverse Kelvin inverse