Question

How much heat is required in kJ to convert 30.7 g of water at 97.5°C to steam at 105.5°C? The boiling point of water is 100.0°C, Cm for liquid water = 75.4 J/(mol•°C), ΔHvap = 40.67 kJ/mol, and Cm for steam = 33.6 J/(mol•°C).