Vapor Pressure and Intermolecular Forces

Which liquid has the highest vapor pressure at 75^oC?

• ethanoic acid

• ethanol

• propanone

• water

If you wanted to know the boiling point at STP, you would find where the curve intersects with

• 101.3kpa

• 1 atm

• 273K

• the y axis

• you cannot tell

The weaker the intermolecular forces of a substance the _____________ the boiling point

• higher

• lower

Liquids with weak intermolecular forces

• contain a lot of kinetic energy

• easily evaporate

• cannot diffuse

• freeze easily

• are probably volatile

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-5

What type of intermolecular force is primarily responsible for the high boiling point of water?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Metallic bond

Which of the following is NOT a type of intermolecular force?

• Dipole-dipole interaction

• London dispersion force

• Covalent bond

• Hydrogen bond

Tags

NGSS.HS-PS1-3

Which of the following is an example of a substance with strong dipole-dipole interactions?

Which of the following is a type of intermolecular force?

• Covalent bond

• Hydrogen bond

• Ionic bond

• Metallic bond

According to the reference table, what is the boiling point of ethanoic acid at 80 kPa?

• 28 ^oC

• 100^oC

• 111^oC

• 125^oC

Tags

NGSS.HS-PS3-4

At which temperature is the vapor pressure of ethanol equal to the vapor pressure of propanone at 35^oC?

• 35^oC

• 60^oC

• 82^oC

• 95^oC