In an electric freezer, 401.0 g of water at 18.5°C is cooled, frozen, and the ice is chilled to −5.6°C.
(a) What is the change of heat in the water?
(b) If the latent heat of vaporization of the Freon refrigerant is 40 cal/g, how many grams of Freon must be evaporated to absorb this heat