Chemistry Review

According to the Kinetic Molecular Theory, gases collide in a manner that produce no net loss of kinetic energy. What are these collisions called?

• Loss collisions

• Elastic collisions

• Potential collisions

• These are not collisions at all.

Which of the following is a physical property of a gas?

• the production of bubbles

• indefinite volume

• corrosive

• produces heat when mixed with hydrogen gas

Which of the following is NOT a physical property of a gas?

• fluidity

• diffusion

• effusion

• definite shape

Phase changes depend on

• pressure only

• temperature and pressure

• volume only

• temperature only

What type of change occurs when a substance changes from a solid to a gas with no liquid phase?

• condensation

• sublimation

• deposition

• vaporization

Tags

NGSS.MS-PS1-4

Using the phase diagram provided, will carbon dioxide boil at standard atmospheric pressure?

• No

• Yes

Tags

NGSS.HS-PS1-5

Using the phase diagrams, at 50^°C and 1 atm, what is the state of matter of water?

• solid

• gas

• liquid

• a point in which the liquid and gas phases are indistinguishable.

Tags

NGSS.MS-PS1-4

Which of the following is NOT a physical property of matter?

• boiling point

• density

• melting point

• flammability

Which of the following is considered a fluid?

• liquid and gas

• solid

• liquid

• gas

How would you properly classify pure air?

• an element

• a homogeneous mixture

• a heterogeneous mixture

• a compound