Question

what is meant by latent heat of fousion?

Answer 1

The enthalpy of fusion of a substance, also known as (latent) heat of fusion, is the change in its enthalpy resulting from providing energy, typically heat, to a specific quantity of the substance to change its state from a solid to a liquid, at constant pressure.

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Answer 2

Letent heat of fusion - the amount of heat energy that is required to change 1 kg of a solid into liquid at atmospheric pressure and its melting point is known as the latent heat of fusion.