Front

What is the state of matter with a definite volume but no definite shape?

Back

Liquid

Front

What is the standard temperature and pressure (STP)?

Back

0°C and 100 kPa

Front

What happens to particles when the temperature of matter decreases?

Back

They slow down and move closer together.

Front

Which phase changes require energy to be removed?

Back

Deposition, condensation, freezing.

Front

What state would water likely exist at -500°C and 75 kPa?

Back

Solid

Front

What is the state of matter that has no definite volume and no definite shape?

Back

Gas

Front

What is sublimation?

Back

The phase change from solid to gas without becoming a liquid.

Front

What is freezing?

Back

The phase change from liquid to solid.

Front

What is evaporation?

Back

The phase change from liquid to gas.

Front

What is melting?

Back

The phase change from solid to liquid.