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Heat of fusion

Heat of fusion is the heat absorbed by a unit mass of a solid chemical element at its melting point in order to convert the solid into a liquid at the same temperature. The heat of fusion is equal to the heat of solidification.

The energy that goes into melting a solid is used to dissociate the intermolecular bonds holding its molecules in place rather than to increasing the average thermal velocity of the molecules.





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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Heat of fusion".