what is latent heat
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the heat required to convert a solid into a liquid or vapour, or a liquid into a vapour, without change of temperature.
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(Latent energy or heat of transformation)
It is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process — usually a first-order phase transition.
Latent heat can be understood as energy in hidden form which is supplied or extracted to change the state of a substance without changing its temperature.
Examples are :-
- Latent heat of fusion and latent heat of vaporization involved in phase changes .
- A substance condensing or vaporizing at a specified temperature and pressure.
L = specific latent heat of a substance
{Q} = energy released or absorbed during phase change
{m} = mass .
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