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A substance has a melting point of 80 °C. Which of the following is true for the substance? (5 points)

a) It will also change from a liquid to a gas at 80 °C while the liquid loses energy.

b) It will also change from a liquid to a gas at 80 °C while the liquid gains energy.

c) It will also change from a liquid to a solid at 80 °C while the liquid gains energy.

d) It will also change from a liquid to a solid at 80 °C while the liquid loses energy.

Sagot :

Answer:

D

Explanation:

The liquid loses energy while being cooled. It therefore changes to a solid when the liquid is cooled from a temperature above 80°C to 80°C