Phase Diagrams and Phase Changes Kinetic Molecular Theory

The theory that describes the behavior of gases in terms of the motion of gas particles is _____________.

• The theory of intermolecular forces

• Graham's law of effusion

• The Kinetic Theory of Matter

• Dalton's law of partial pressures

Tags

NGSS.HS-PS3-2

A device that is used to measure atmospheric pressure is a ___________.

• thermometer

• barometer

• kilometer

• micrometer

Which of the following is the general definition of a gas?

• Matter with a fixed volume and a fixed shape.

• Matter with no fixed volume and no fixed shape.

• Matter with a fixed volume but no fixed shape.

• Matter with a fixed shape but no fixed volume

The phase change that describes the direct conversion of a gas into a solid is _______.

• vaporization

• sublimation

• melting

• deposition

Tags

NGSS.MS-PS1-4

The point on a phase diagram where the solid state, the liquid state, and the gas vapor state can coexist is _________

• the pressure point

• the absolute zero point

• the critical point

• the triple point

Dry ice is solid carbon dioxide. At 1.0 atm and -78C it exists as both a solid and gas, what combination of factors can change dry ice into a liquid?

• Increase temperature and decrease pressure

• Decrease both temperature and pressure

• Increase both temperature and pressure.

• Keep temperature constant and increase pressure

Tags

NGSS.MS-PS1-4

In what directions must energy be added to cause the indicated phase change?

• solid to liquid, liquid to gas, solid to gas

• solid to liquid, gas to liquid, solid to gas

• solid to liquid, liquid to gas, gas to solid

• solid to gas, gas to liquid, liquid to solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The measure of the average kinetic energy of the particles in a sample of matter is __________.

• Temperature

• Speed

• Velocity

• Heat

Tags

NGSS.MS-PS1-4

According to the phase diagram for CO₂, what is the critical point for carbon dioxide?

• -100 C

• -78 C

• 1.0 atm

• 31 C

What would be the phase of water at a temperature of 110 degrees Celsius and a pressure of 200 atmospheres?

• Solid

• Liquid

• Gas

• The triple point

Tags

NGSS.MS-PS1-4