Question

Solid

Liquid
Gas
As a substance changes from a solid to
a liquid to a gas, what happens to the
energy of the substance?
It decreases.
➡
It never changes.
er changes of state between solid, liquid ...
It increases.
It goes down, then up.

Answer 1

As a substance changes from a solid to a liquid to a gas, the energy of the substance increases.

Step-by-step explanation:

As a substance changes from a solid to a liquid to a gas, the energy of the substance increases.

During phase changes, energy is either absorbed or released as heat. When a solid changes to a liquid, it requires energy to break the intermolecular forces holding the solid together. When a liquid changes to a gas, even more energy is required to break the intermolecular forces completely.

Increase in energy is demonstrated by the addition of heat. For example, when ice is heated, it melts into liquid water, and further heating turns the liquid water into steam.

Learn more about Changes of state in substances