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Grade 11Thermal Physics

Why must heat energy be supplied to melt ice? After all, the temperature does not change?

Profile image of Simran Bhatia
11 Years agoGrade 11
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1 Answer

Profile image of Mihir
11 Years ago
Ice is formed at 273 K by extracting energy equal to the ‘latent heat of fusion’ fro water. Hence, to convert it back to water, an equivalent amount of energy must be supplied. Basically, conversion of ice to water and vice-versa is an isothermal thermodynamic process at 273 K.

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