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Latent heat of vaporization

Answer»

Latent heat of vaporization is a PHYSICAL PROPERTY of a substance. ... When a material in LIQUID state is given energy, it CHANGES its phase from liquid to vapor; the energy ABSORBED in this process is called heat of vaporization. The heat of vaporization of water is about 2,260 kJ/kg, which is equal to 40.8 kJ/mol.



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