Phase Change Diagrams

Front

What is a phase change diagram?

Back

A graphical representation that shows the states of matter (solid, liquid, gas) of a substance at different temperatures and pressures.

Front

What does the line 'a' represent in a phase change diagram?

Back

A phase change occurring between two states of matter, such as melting or boiling.

Front

What phase change occurs when a substance goes from a liquid to a solid?

Back

Freezing.

Front

What phase change occurs when a substance goes from a solid to a liquid?

Back

Melting.

Front

What is the state of matter at point d in a phase change diagram if it is labeled as gas?

Back

Gas.

Front

What is the state of matter at point b in a phase change diagram if it is labeled as liquid?

Back

Liquid.

Front

What happens to a substance at high pressure and high temperature?

Back

It is likely in a gaseous state.

Front

What phase change occurs when a gas turns into a liquid?

Back

Condensation.

Front

What phase change occurs when a liquid turns into a gas?

Back

Boiling.

Front

What is sublimation?

Back

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