Question

what is latent heat?​

Answer 1

Answer:

the heat required to convert a solid into a liquid or vapour, or a liquid into a vapour, without change of temperature.

Answer 2

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Latent heat 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.