Class 9 Chemistry Matter In Our Surroundings Latent heat of vaporisation

Latent heat of vaporisation

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.

Fig. Heating of the liquid to convert it into vapour

Particles of water vapour at 100oC (373K) have more energy than liquid water at same temperature. this due to the absorption of extra energy in the form of latent heat of vaporisation.

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