Kinetic Molecular Theory

Front

What is Kinetic Molecular Theory (KMT)?

Back

A theory that explains the behavior of gases in terms of particles in constant motion.

Front

What are the main postulates of KMT?

Back

1. Gases consist of a large number of particles that are in constant, random motion. 2. The volume of the gas particles is negligible compared to the volume of the container. 3. There are no attractive or repulsive forces between the particles. 4. Collisions between gas particles and with the walls of the container are elastic.

Front

What is the relationship between temperature and kinetic energy in gases?

Back

Temperature is a measure of the average kinetic energy of gas particles.

Front

What is an elastic collision?

Back

A collision in which there is no net loss of total kinetic energy.

Front

What is a property of gases?

Back

Gases are compressible and can expand to fill their container.

Front

What is a property of liquids?

Back

Liquids have a definite volume but take the shape of their container.

Front

What is a property of solids?

Back

Solids have a definite shape and volume, and their particles are tightly packed.

Front

How do gas particles behave in a container?

Back

Gas particles move freely and collide with each other and the walls of the container.

Front

What happens to gas particles when temperature increases?

Back

The average kinetic energy of the gas particles increases, causing them to move faster.

Front

What is the effect of pressure on gas volume?

Back

According to Boyle's Law, as pressure increases, the volume of a gas decreases, provided the temperature remains constant.