Which answer is it? heeeelp?

Question

When 1 kg of a substance changes from solid to liquid at its melting point, it must absorb an amount of heat equal to which of the following?
A. Latent heat of vaporization

B. Specific heat of phase changes

C. Latent heat of fusion

D. Specific heat capacity

Answer 1

The correct answer is (C), the latent heat of fusion.  That is by definition the heat that 1 kg of a substance must absorb to melt at its melting point.

Answer 2

c Look it up on Wiki