Question

define latent heat of fusion why is called latent heat

Answer 1

latent heat

The heat released or absorbed when matterundergoes a change of phase (see phases of matter)

If the heat is given off during the changefrom a liquid to a solid, it is called heat of fusion. If it is given off during the change from a gas to a liquid, it is called heat of vaporization.

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Answer 2

The amount of energy required to change 1 kg of a solid into liquid at atmospheric pressure at its meeting pint is known as latent heat of fusion. It is called latent heat because it is associated with a change in temperature. Each substance has a characteristic of fusion, associated with the solid-liquid transition and a characteristic heat if vaporisation associated with the liquid-gas transition .

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