Phase Changes and Phase Diagrams

The critical point is found at point.....

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What phase of matter exists in part C of the graph?

• Gas

• Liquid

• Solid

• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

On which parts of the graph does the temperature remain the same?

• Between C and D

• Between D and E

• At C, D, or E

• On both flat sections

Tags

NGSS.MS-PS1-4

What letter on the diagram represents the substance only in the gas phase?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

What would the state of this substance be at 1 ATM of pressure at a 80 degrees Celsius?

• Solid

• Liquid

• Gas

• Michigan

Tags

NGSS.MS-PS1-4

What happens along the AC line?

• Melting/Freezing

• Boiling/Condensing

• Boiling/melting

• freezing/condensing

Tags

NGSS.MS-PS1-4

Transition from a liquid to a gas

• Condensation

• Freezing

• Evaporation

• Melting

Tags

NGSS.MS-PS1-4

Transition from a liquid to a solid

• Freezing

• Sublimation

• Melting

• Evaporation

Tags

NGSS.MS-PS1-4

Change of a solid directly into a gas

• Deposition

• Melting

• Sublimation

• Freezing

Tags

NGSS.MS-PS1-4

The melting point of the sample is

• -60 ºC

• -100 ºC

• 60 ºC

• 100 ºC

Tags

NGSS.MS-PS1-4