Vapor Pressure and Phase Diagrams Practice

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

• 28 ^oC

• 100^oC

• 111^oC

• 125^oC

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

• ethanoic acid

• ethanol

• propanone

• water

Tags

NGSS.HS-PS3-2

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

• ethanoic acid

• ethanol

• propanone

• water

Which model represents a LOWER vapor pressure?

• A

• B

Which model represents the substance with STRONGER intermolecular forces?

• A

• B

Tags

NGSS.HS-PS2-6

Imagine A & B represent the same substance. Which model would be at a HIGHER temperature?

• A

• B

Tags

NGSS.HS-PS3-4

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

• freezing

• melting

• boiling

• sublimation

Which compound has the lowest vapor pressure at 50^oC?

• propanone

• ethanoic acid

• water

• ethanol

What is the vapor pressure of propanone at 50^oC?

• 37 kPa

• 50 kPa

• 83 kPa

• 101 kPa

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

• solid
• liquid
• gas
• supercritical fluid