General Chemistry UNIT 2 test review (Part 1)

On the phase diagram, which phase of matter would have the lowest temperature; the particles are very closely packed together in a fixed position?

• solid

• liquid

• gas

• plasma

Which phase of matter takes the shape of the container it is placed in AND will completely fill it?

• gas

• liquid

• solid

• plasma

Which phase of matter will also take the shape of the container, but it will not always completely fill it, this phase CANNOT be compressed.

• liquid

• gas

• solid

• plasma

Which phase change can be compressed into smaller volumes while the particle number remains the same?

• gas

• solid

• liquid

• plasma

During each of the following ____ (melting, freezing, vaporization and condensation) there is an increase in potential energy.

• phase changes

• sublimation

• solid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-2

Temperature is a measurement of the ____ of a substance.

• average kinetic energy

• liquid

• pressure

• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The amount of force over a certain area is defined as ___.

• pressure

• absolute zero

• STP

• gas

This is equal to 0 K or - 273⁰C . It's the temperature where all molecular movement stops.

• Absolute zero

• STP

• solid

• pressure

Tags

NGSS.MS-PS1-4

101.3 KPa and 1 atm are values for Standard Temperature and Pressure. They are often abbreviated as ___ ?

• STP

• gas

• Absolute zero

• sublimation

CO₂(s) or dry ice and iodine crystals undergo _____ or a phase change from a solid to a gas.

• sublimation

• solid

• STP

• Absolute zero

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4