Boiling and Vapor Pressure

The lower the boiling point, the ___ the intermolecular forces.

• stronger
• weaker

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When the atmospheric pressure equals the equilibrium vapor pressure ___ occurs.

• freezing
• melting
• boiling
• sublimation

Tags

NGSS.MS-PS1-4

If the rate of melting equals the rate of freezing...

• there is more liquid
• there is more solid
• the system is in equilibrium
•  the system is working towards equilibrium

Tags

NGSS.MS-PS1-4

As pressure decreases, boiling point___

• decreases
• increases
• decreases then increases
• increases then decreases

Tags

NGSS.MS-PS1-4

During a phase change, the temperature

• increases
• decreases
• fluctuates
• stays the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The strength of intermolecular forces varies between liquids, therefore they will have

• different equilibrium vapor pressure
• the same equilibrium vapor pressure
• different temperatures
• the same amount of kinetic energy

Tags

NGSS.HS-PS1-3

Glass is a crystalline solid.

• True
• False

The particles in ___ are always vibrating, but don't move past each other.

• solids
• liquids
• gases
• solids and liquids

Tags

NGSS.MS-PS1-4

Liquids with weak intermolecular forces

• contain a lot of kinetic energy
• easily evaporate
• cannot diffuse
• freeze easily

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is water's melting point?

• 32 C
• 0 C
• 32 F
• 0 F

Tags

NGSS.MS-PS1-4