Vapor pressure, Boiling Point, and IMFA

What is Evaporation?

• 1.Process of water movement through a plant from the drying up of its aerial parts

• 2.Occurs on the surface of a liquid as it changes into the gaseous phase.

• 3.Occurs when rain drops fall

• 4.All of the above

Paint dries up after a while. This is an example of__________.

• Condensation

• Evaporation

Tags

NGSS.MS-PS1-4

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

As pressure decreases, boiling point___

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

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

When you increase your altitude, the air pressure 

• increases
• decreases
• stays the same

During a phase change, the temperature

• increases
• decreases
• fluctuates
• stays the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which model represents a LOWER Vapor Pressure?

• A

• B

Tags

NGSS.MS-PS1-4

Which model represents STRONGER Intermolecular Forces?

• A

• B

Tags

NGSS.HS-PS1-3