CHM 2046C Module 7 Part II Sample Exam

Part R: Enthalpy Change with Phase Changes 5 points

You put 2.50 L of water in a soup pot at 100 ^oC and the water slowly evaporates. How much heat must have been supplied to evaporate all the water from the pot. Δ H_vap of water is +40.7 kJ/mole and the density of water at 100oC is 0.958 g/mL