Question

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

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

Answer 1

It will change from a liquid to a gas at 80

Answer 2

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

Step-by-step explanation:

This basically is saying when the now liquid starts to get cooler and the energy lessens when it reaches the point in which it begins to change form it will return back to a solid.