Enthalpy of fusion is the energy required to change the message type to change status from 1 gram solid become liquid, the temperature must be taken equal to the melting point of the substance for that type.In General, If power to the substance increases the temperature of the substance and if the substance substance off draws have reduced temperature, but if the temperatures to some, that is the melting point will have a number of energy that has been spent, but it is not used to change the temperature of a substance, but rather the power to change the spit or the power state is the enthalpy of fusion.
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