Solve the following problems:

a.) How much energy is required, in Joules per Kilogram, is needed to melt 154.31 grams of ice? Use the property of heat of fusion to answer.

b.) How much energy is required, in Joules per Kilogram, to transition 334.31 mL of water from a liquid to gas? Use the property of heat of vaporization to answer.

c.) Based on the data from parts b and c, which phase changed required the most energy per mole of water?