What do you mean by latent heat of vaporization?
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Latent heat of vaporization is a physical property of a substance. It is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure. It is expressed as kg/mol or kJ/kg. ... The heat of vaporization of water is about 2,260 kJ/kg, which is equal to 40.8 kJ/mol.
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Similarly, 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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