Kinetic Molecular Theory

What gases are commonly found in air? (Check all that apply)

• oxygen

• nitrogen

• carbon dioxide

• phosphorus trichloride

What is kinetic energy?

• • energy due to position or condition

• • energy of motion

Which state of matter has particles that move the most?

• solid

• liquid

• gas

• plasma

Within a gas, the particles are relatively ​ (a)   ​ (b)   compared with the distance berween particles in a liquid or solid.

• far
• apart
• close
• together

Collisions are said to be ​ (a)   if no energy is lost or gained in the collision.

• elastic
• inelastic

True or False

During an elastic collision, kinetic energy is transferred without loss from one particle to another.

• true

• false

When the gas particles collide with the balloon, they exert ​ (a)   .

• pressure
• friction
• gravity
• energy

The air pressure exerted on the outside of the balloon is called atmospheric pressure.

• true

• false

What is a vacuum?

• Empty space with no pressure and no particles.

• A full space with lots of particles and pressure.

• Empty space with no particles but it has pressure.

• A device that uses suction, and often agitation, in order to remove dirt and other debris.

 ​ (a)   is the force of gas particles colliding with a surface.

• Pressure
• Friction
• Gravity
• Tension