PS - Chemistry - Ch. 1: Nature & Classification of Matter

What does the Kinetic Molecular Theory suggest about particles in matter? Select All that apply.

• Particles are stationary and do not move.

• Particles only move in a solid state.

• Particles move faster as Temperature increases.

• Tiny, constantly moving particles make up all matter.

Which state of matter has a definite shape and volume?

• Liquids

• Gases

• Solids

• Plasma

What happens to most matter when it is heated?

• It contracts and then expands.

• It remains unchanged.

• It expands.

• It changes state immediately.

What is the process called when a solid changes directly into a gas?

• Evaporation

• Condensation

• Sublimation

• Freezing

What is the effect of decreasing atmospheric pressure on the boiling point of a liquid?

• Increases the boiling point

• Decreases the boiling point

• Changes the color of the liquid

• No effect

According to Boyle’s Law, what happens to a gas if its pressure decreases?

• Its volume remains the same.

• Its volume increases.

• Its volume decreases.

• Its temperature increases.

According to Charles' law, if the temperature of a gas decreases,

• its pressure increases

• its volume increases

• its pressure decreases

• its volume decreases

According to Avogadro's Law, if the # of molecules of a gas increases,

• its volume decreases

• its volume increases

• its temperature increases

• its pressure decreases

What is the temperature at which all particle motion stops? Select All that apply

• -273°C

• 0 K

• 0°C

• 32°F

What type of mixture has an even distribution of components?

• Suspension

• Colloid

• Homogeneous Mixture (Solution)

• Heterogeneous Mixture