Phase Diagrams

Front

Melting is ...

Back

solid to liquid

Front

Which answer fits best to describe the change from a gas to a liquid to a solid?

Back

REMOVE heat (energy)

Front

In a solid, the particles ...

Back

vibrate in place

Front

During a phase change, the temperature ...

Back

stays the same

Front

The phase change from water vapor to liquid water is known as...

Back

condensation

Front

What is a phase diagram?

Back

A graphical representation showing the states of a substance at different temperatures and pressures.

Front

What does the term 'sublimation' refer to?

Back

The phase change from solid to gas without passing through the liquid state.

Front

What happens to particles during condensation?

Back

Particles lose energy and come closer together to form a liquid.

Front

What is the triple point in a phase diagram?

Back

The condition under which all three phases (solid, liquid, gas) coexist in equilibrium.

Front

What is the significance of the critical point in a phase diagram?

Back

It is the temperature and pressure at which the distinction between liquid and gas phases disappears.