A student measures the mass of ice and the mass of water after complete melting. Which observation should the student expect?

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Question

A student measures the mass of ice and the mass of water after complete melting. Which observation should the student expect?

Accepted Answer

The mass of water equals the mass of ice — Award 1 mark for recognizing that mass is conserved during a change of state. A is incorrect because melting does not create matter. B is incorrect unless significant evaporation occurs. D is incorrect because energy absorption does not change mass.

Answer

The mass of water equals the mass of ice

Answer

The mass of water is greater than the mass of ice

Answer

The mass of water is less than the mass of ice due to energy absorption

Answer

The mass of water is less than the mass of ice due to evaporation

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