Question

Answer the following questions: 1- What happens inside the matter during this change of state? 2- How does this change occurs?

Answer 1

Explanation:

Matter changes from one state to another when matter it is either heated or cooled and the energy within the matter increases. When a solid changes to gas form, the intermolecular force of attraction decreases and the distance between the molecules increases.

Answer 2

Answer:

when matter convert to a less stable state or solid to liquid or liquid to gas

Explanation:

this change occurs as the molecules or atoms start vibrating and this causes the matter to expand