chem please help?

Question

The molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of liquid water is 4.18 J/g°C.
(a) What quantity of heat energy is required to melt 23.0 g of ice at 0°C?
kJ
(b) What quantity of heat is required to vaporize 34.5 of liquid water at 100°C?
kJ
(c) What quantity of heat is required to warm 53.9 g of liquid water from 0°C to 100°C?
kJ

Answer 1

Use H = mL and H = ms del T