Question

What happens to heat energy during phase of changes? ​

Answer 1

When a change occur , heat energy is either given out or taken in. That is Endothermic reaction or Exothermic reaction. Heat energy is evolved during a change.

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Answer 2

Explanation:

During the phase change, when solid melts into liquid, its temperature remains constant as the heat energy is stored as potential energy. Likewise, as heat is added to a liquid, its temperature increases as the molecules, once again, move faster.

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