Question

what is latent heat of vapourizatin? ​

Answer 1

Latent heat, energy absorbed or released by a substance during a change in its physical state (phase) that occurs without changing its temperature. ... The latent heat is normally expressed as the amount of heat (in units of joules or calories) per mole or unit mass of the substance undergoing a change of state.

Answer 2

Latent heat means hidden heat.

Latent heat of vaporization means that water gets evaporated to form vapors by absorbing heat from the surroundings or the surface it is kept on.

No direct source provide enegy for breaking the forces of attraction between the atoms of water.

Note: Temperature is not changed of the substance in this. For example acetone gets evaporated quickly with leaving a Cooling effect by absorbing the heat from our skin making our skin cool.

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