Question

define latent heat of vaporization​

Answer 1

the latent heat of vaporization or evaporation (Lv) is the heat that has to be given to a unit mass of material to convert it from the liquid to the vapor phase without a change in temperature.

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Answer 2

Explanation:

The term latent heat of vaporisation can be defined as the amount of heat needed for the conversion of 1kg of liquid at its boiling point to gas at same temperature. It differs among different liquids

or we can also say

The enthalpy of vaporization, also known as the heat of vaporization or heat of evaporation, is the amount of energy that must be added to a liquid substance to transform a quantity of that substance into a gas. The enthalpy of vaporization is a function of the pressure at which that transformation takes place.