What is specific heat capacity?
The energy required to change the temperature of a unit mass by one degree.
What is a change of phase?
Substances undergo phase changes at specific constant temperatures.
What is specific latent heat?
The energy required to change the phase of a unit mass at constant temperature.
When is the specific latent heat of fusion used?
When the substance is melting.
When is the specific latent heat of vaporisation used?
When the substance is boiling.