Which of the following is NOT one of the postulates of the Kinetic Molecular Theory?

• gas behavior is related to particle size

• gas behavior is related to particle motion

• gas behavior is related to particle energy

• gas behavior is related to particle color

Gas particles are very small and they are separated from each other by empty space.

• true

• false

All gas particles in a sample of a single gas (example: Oxygen) have the same mass and velocity.

• true

• false

Temperature is a measure of the ___________ kinetic energy of the particles in a sample of matter.

• total

• average

• minimum

• maximum

As gas particles collide with the walls of their container, they exert pressure on the container.

• true

• false

What instrument is used to measure atmospheric pressure?

• barometer

• stethoscope

• thermometer

• seismometer

Which of the following is NOT a unit of pressure?

• kiloPascal

• bar

• torr

• joule

A mixture of Oxygen (O₂), Nitrogen (N₂), and Carbon Dioxide (CO₂) gases has a total pressure of 0.80 atm. If the partial pressure of N₂ is 0.17 atm and the partial pressure of CO₂ is 0.45, what is the partial pressure of O₂?

• 0.18 atm

• 0.62 atm

• 1.42 atm

• 0.28 atm

A mixture contains three gases: 0.33 atm of Oxygen, 0.59 atm of Nitrogen, and 1.27 atm of Argon. What is the total pressure of the mixture?

• 0.35 atm

• 2.19 atm

• 0.25 atm

• 1.27 atm

Intermolecular forces are the attractive forces within molecules.

• true

• false