AQA GCSE Physics · 8463

Changes of state and specific latent heat

What you need to know

Define latent heat as the energy needed for a substance to change state without changing temperature.
Define specific latent heat of fusion and vaporisation.
Calculate energy for a change of state using the equation: $E = m L$
Interpret heating and cooling graphs that include changes of state.
Distinguish between specific heat capacity and specific latent heat.