Specific latent heats

Specific latent heat is the energy released per kilogram when a substance changes state ...

... from solid to liquid - the latent heat of fusion (melting).

... from liquid to gas - the latent heat of evaporation.

Selected values

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Specific latent heats are often very large. Icebergs last a long time and the desalination of sea water by distillation by burning oil is a very expensive process.