This short video provides viewers with an overview and short summary of Melting Point Standards.
The Melting Point of a substance is the temperature at which the crystalline phase of the substance changes to its liquid phase. Melting point is defined as the temperature at which the solid and liquid are in equilibrium at a total pressure of 1 atmosphere. Unlike the volume change that accompanies the vaporization of a liquid, the change in volume that takes place upon the melting of a solid is very small. Therefore, the melting point of a solid is virtually independent of any ordinary change in pressure. During the melting process, all of the energy added to a substance is consumed as heat of fusion and the temperature remains constant. Pure crystalline substances have a characteristic and clearly defined Melting Point temperature.
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