How does the internal energy change when the ice and wax melt at their normal melting points?

Increases for ice, decreases for wax

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Decreases for ice and increases for wax

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Decreases both for ice and wax

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Increases both for ice and wax

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Solution

The correct option is D Increases both for ice and wax
During the melting of ice and wax, some energy is imparted in the molecules of both ice and wax.

This energy imparted in the form of heat increases the internal energy for both ice and wax.

Option D is correct.

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How does the internal energy change when the ice and wax melt at their normal melting points?

The correct option is D Increases both for ice and waxDuring the melting of ice and wax, some energy is imparted in the molecules of both ice and wax. This energy imparted in the form of heat increases the internal energy for both ice and wax.Option D is correct.

The correct option is D Increases both for ice and wax
During the melting of ice and wax, some energy is imparted in the molecules of both ice and wax.

This energy imparted in the form of heat increases the internal energy for both ice and wax.

Option D is correct.