Phase Diagrams

Water exists as a _____________ at 700 mmHg and 50 °C.

• solid
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state of matter is X?

• solid 
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state of matter is Y?

• solid 
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state of matter is Z?

• solid 
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

What change occurs from E to C?

• sublimation
• freezing
• melting
• boiling

Tags

NGSS.MS-PS1-4

What change occurs from C to D?

• condensation
• vaporization
• melting
• sublimation

Tags

NGSS.MS-PS1-4

At 0.10 atm, what phase(s) can exist?

• solid, liquid or gas
• liquid or gas
• solid only
• gas only

Tags

NGSS.MS-PS1-4

Water exists as a _____________ at 3 mmHg and 50 °C.

• solid
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

Water will boil at temperatures above 100 °C at pressures __________ 760 mmHg.

• below
• above
• equal to
• significantly below

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement is true for carbon dioxide at -60 °C?

• All three phases are possible.
• It can exist as a solid or a gas, depending on pressure.
• It is a solid.
• With enough pressure it can be melted.

Tags

NGSS.MS-PS1-4