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Calorimetry — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsCalorimetry1 Mark
Question
A substance changes from its solid state to the liquid state when heat is supplied to it

How does the average kinetic energy of the molecules of the substance change.

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Answer

As their id no change in temperature the average kinetic energy of the molecules does not change.

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