Question

what is meant by latent heat?
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Answer 1

Answer:

the amount of heat energy required to change from one state to another without any change in its temp is defined as latent heat.

Answer 2

Answer:

Latent heat, energy absorbed or released by a substance during a change in its physical state (phase) that occurs without changing its temperature. ... The latent heat is normally expressed as the amount of heat (in units of joules or calories) per mole or unit mass of the substance undergoing a change of state.