Question

define latent heat of vaporization ​

Answer 1

Answer:

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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Answer 2

HEAT OF VAPORIZATION

It is the amount of energy absorbed by a liquid to change its phase from liquid to vapour phase

when a liquid absorb energy then the distance between atoms or molecules increase as thermal energy is increased which results in change of phase.

Latin heat of vaporization is defined as the amount of energy or heat required to change one mole of liquid at its boiling point under standard atmospheric pressure.

UNITS

Unit of Latin heat of vaporization are

KJ/Kg. or. Kg/mole