Question

define latent heat of vapourisaton. write its value ​

Answer 1

Explanation:

When a material in liquid state is given energy, it changes its phase from liquid to vapour without change in temperature, the energy absorbed in the process is called latent heat of vaporization. The latent heat of vaporization of water is about 2260kJ/Kg which is equal to 40.

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Answer 2

Answer:

2260kJ/kg for water

Explanation:

The latent heat of vaporization is the heat required to change the state of 1 kg of substance from liquid state to its gaseous state. When a substance is heated up above its boiling point, it takes up the latent heat of vaporization and changes in vapour.

The latent heat of vaporization of water is 2260kJ/kg.