Vapor Pressure Table

Using your knowledge of chemistry and the info in Ref Table H, which statement concerning propanone and water at 50°C is true? *vp= vapor pressure *imf= intermolecular forces

• propanone has a higher vp and stronger imf than water

• propanone has a higher vp and weaker imf than water

• propanone has a lower vp and stronger imf than water

• propanone has a lower vp and weaker imf than water

Tags

NGSS.HS-PS2-6

Based on Reference Table H, which sample has the highest vapor pressure?

• water at 20°C

• ethanol at 50°C

• water at 80°C

• ethanol at 65°C

According to Reference Table H, what is the vapor pressure of propanone at 45°C?

• 22 kPa

• 70 kPa

• 33 kPa

• 98 kPa

Which liquid has the highest vapor pressure at 75°C?

• ethanoic acid

• propanone

• ethanol

• water

The boiling point of a pure substance is defined as the temperature at which

• the kinetic energy of the molecules begins to increase

• the vapor pressure equals the external pressure

• the liquid phase can be completely evaporated

• the molecules of the substance break apart

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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 model represents a LOWER Vapor Pressure?

• A

• B

When the vapor pressure of water is 30kPa, the temperature of the water is

• 20°C

• 70°C

• 40°C

• 100°C

Which substance has the highest vapor pressure at 60°C according to the vapor pressure table?

• A) Water

• B) Ethanol

• C) Propanone

• D) Ethanoic acid

At what temperature does the vapor pressure of ethanol equal 50 kPa?

• A) 30°C

• B) 40°C

• C) 50°C

• D) 60°C