What is latent heat of vaporization?
A. A physical change from one form (or phase) of matter to another.
B. The amount of energy required for a unit mass of a substance to
undergo a phase change from a liquid to a gas.
C. The amount of energy required to raise the temperature of 1 kg of
a substance 1 °C.
D. The amount of energy required for a unit mass of a substance to
undergo a phase change from solid to liquid.