PDP Physical Unit1 Chap2 Review

Front

What is the attractive force between unlike substances that holds them together called?

Back

Adhesion

Front

True or False? Sublimation is a form of vaporization.

Back

False

Front

According to Boyle's law, when the pressure on a gas increases, the volume ______________________.

Back

decreases

Front

What phases of matter have no definite shape?

Back

Liquids and gases

Front

According to Boyle's law, when the pressure on a gas increases, ____________________________________________.

Back

its volume decreases

Front

What is cohesion?

Back

The attractive force between like substances that holds them together.

Front

Define sublimation.

Back

The process where a solid changes directly into a gas without becoming a liquid.

Front

What is Boyle's Law?

Back

A principle stating that the pressure of a gas is inversely proportional to its volume at constant temperature.

Front

What are the three main phases of matter?

Back

Solid, liquid, gas.

Front

What happens to gas volume when temperature increases at constant pressure?

Back

It increases.