Chemistry Unit 1

Front

What is the phase change from liquid to gas called?

Back

Vaporization

Front

Which ice cube will melt first, a small cube or a large cube?

Back

The small cube

Front

In which state of matter do particles slip past each other and take the shape of their container?

Back

Liquid

Front

What is a phase change?

Back

A phase change is when matter changes state.

Front

What happens to particles when heat is taken away from them?

Back

They slow down.

Front

What is the phase change from solid to liquid called?

Back

Melting

Front

What is the phase change from gas to liquid called?

Back

Condensation

Front

What is the term for the amount of energy required to change a substance from solid to liquid at its melting point?

Back

Heat of fusion

Front

What is the term for the amount of energy required to change a substance from liquid to gas at its boiling point?

Back

Heat of vaporization

Front

What happens to the temperature of a substance during a phase change?

Back

The temperature remains constant during a phase change.