Boiling and Vapor Pressure

water have a low vapor pressure because

• it has strong london dispersion forces acting between its molecules
• it has strong hydrogen bonds acting between its molecules
• it has a weaker force of attraction between its molecules
• it is very volatile

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

• freezing
• melting
• boiling
• sublimation

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

• stronger
• weaker

Tags

NGSS.HS-PS1-3

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

Liquids with weak intermolecular forces

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

What is water's melting point?

• 32 C
• 0 C
• 32 F
• 0 F

Tags

NGSS.MS-PS1-4

What is the boiling point of water

• 0 C
• 100 F
• 50 C
• 100 C

When you increase your altitude, the air pressure 

• increases
• decreases
• stays the same

Tags

NGSS.MS-ESS2-6

Evaporation occurs when water changes into 

• transpiration
• snow
• solid
• vapor

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

If the rate of boiling equals the rate of condensation...

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

Tags

NGSS.HS-PS3-4