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