The heat required to convert a substance from liquid to gas without any temperature change is called latent heat of vaporization. This process occurs at the substance’s boiling point, where the liquid absorbs energy to overcome intermolecular forces and change ...
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The latent heat of vaporization of water is 536 Cal/g. This value represents the amount of heat required to convert 1 gram of water at its boiling point into steam without a temperature change.
The latent heat of melting of ice is 80 Cal/g. This value represents the amount of heat required to convert 1 gram of ice at its melting point into water without changing its temperature.
“Latent” means hidden, referring to the hidden heat energy absorbed or released during a phase change without a change in temperature.