Vapor Pressure Table

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

Tags

NGSS.HS-PS1-5

What does a manometer measure?

• condensation rates

• evaporation rates

• boiling point

• vapor pressure

• volatility

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 normal boiling point of water at 1 atm according to Table H (a)  

• 101.3 kPa

• 100 kPa

• 99.1 kPa

• 102.5 kPa

Tags

NGSS.MS-PS1-4

Which substance has the weakest intermolecular forces (See Table H)?

• Propanone

• Ethanol

• Water

• Ethanoic acid

What is the vapor pressure of water at 50°C according to a standard vapor pressure table?

• 12.3 kPa

• 23.8 kPa

• 31.8 kPa

• 45.0 kPa

Which substance would have the highest vapor pressure at room temperature?

• Mercury

• Water

• Ethanol

• Acetone

At what temperature does ethanol have a vapor pressure of 40 kPa according to a vapor pressure table?

• 34°C

• 48°C

• 60°C

• 78°C

If a liquid has a high vapor pressure at a given temperature, what can be inferred about its intermolecular forces?

• They are strong

• They are weak

• They are ionic

• They are covalent

Which of the following statements is true about vapor pressure?

• Vapor pressure increases with decreasing temperature

• Vapor pressure is independent of temperature

• Vapor pressure decreases with increasing temperature

• Vapor pressure increases with increasing temperature