Triple Point

What change occurs from F to E?

• sublimation

• deposition

• melting

• condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-2

What change occurs from C to D?

• condensation

• vaporization

• melting

• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

The pressure is increased on a sample of water at 0 °C from 0 mmHg to 800 mmHg.  In order, what changes occur?

• deposition, melting

• sublimation, melting

• condensation, freezing

• deposition, freezing

Tags

NGSS.HS-PS3-4

What is true regarding CO₂ for temperatures above 31 °C?

• It can never be liquified.

• It decomposes.

• It has a high pressure.

• It is a plasma.

Tags

NGSS.HS-PS3-4

Above the temperature and pressure of point B, this substance exists as a ____________.

• solid

• liquid

• gas

• supercritical fluid

Tags

NGSS.MS-PS1-4

What is true regarding CO₂ for temperatures above 31°C?

• It does not exist

• It decomposes

• It cannot be condensed back into a liquid

• It is a plasma

What state of matter is X?

• solid 

• liquid

• gas

• supercritical fluid

Tags

NGSS.MS-PS1-4

What state of matter is Z?

• solid 

• liquid

• gas

• supercritical fluid

Tags

NGSS.MS-PS1-4

What is the normal boiling point of this substance?

• 40°C

• 60°C

• 100°C

• 110°C

Tags

NGSS.HS-PS3-4

What is the triple point of a substance?

• The temperature and pressure at which a substance exists in solid, liquid, and gas phases simultaneously.

• The temperature at which a substance changes from solid to liquid.

• The pressure at which a substance changes from liquid to gas.

• The point at which a substance reaches its critical temperature.