View source for Enthalpy of fusion

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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.

For example, when melting 1 kg of ice (at 0 °C under a wide range of pressures), 333.55 kJ of energy is absorbed with no temperature change. The '''heat of solidification''' (when a substance changes from liquid to solid) is equal and opposite.

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===Relevant Sciencemadness threads===

[[Category:Concepts]]
[[Category:Thermodynamics]]