Final Review Part 1: States of Matter

According to the kinetic theory, what state(s) of matter is always in motion?

• gas only

• liquid and gas only

• solid, liquid, and gas

• liquid only

What is the term for the change of state from liquid to gas below the substance's boiling point?

• Vaporization

• Evaporation

• Condensation

• Sublimation

What is the state of attractive forces between gas particles?

• Strong

• Weak

How can the movement of gas particles be described?

• Circular motion

• Linear motion

• Random walk

What is kinetic energy?

• Potential energy

• Energy of position

• Energy of motion

• Stored energy

In which state of matter do particles usually have the highest kinetic energy?

• Solid

• Liquid

• Gas

What causes gas pressure?

• Gravity

• Attractive forces between particles

• Collisions of gas particles

• None of the above

What is the gas pressure in a vacuum?

• Zero

• Atmospheric pressure

• Negative pressure

• Variable pressure

What happens to atmospheric pressure at higher altitudes?

• Increases

• Decreases

• Remains constant

• Becomes zero

What is the standard pressure in mmHg?

• 760 mm Hg

• 101.3 mm Hg

• 1 mm Hg