Q. 64.5( 2 Votes )

When a solid melts or a liquid boils, the temperature does not increase even when heat is supplied. Where does the energy go?

Answer :

When heat is supplied to melt solid or boil liquid, the heat energy is used in breaking the bond forces between the molecules of the solid or liquid to bring them apart until phase gets changed.


Hence the heat energy supplied to molecules is utilized as kinetic energy to overcome the molecular forces keeping the temperature constant.


This is what we call Latent Heat.


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