WorksheetsVapor Pressure Table
Total questions: 25
Worksheet time: 25mins
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
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
According to the reference table, what is the boiling point of ethanoic acid at 80 kPa?
28 oC
100oC
111oC
125oC
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
What is the relationship between vapor pressure and intermolecular forces?
A) Stronger intermolecular forces result in higher vapor pressure
B) Weaker intermolecular forces result in higher vapor pressure
C) Vapor pressure is independent of intermolecular forces
D) Vapor pressure decreases with weaker intermolecular forces
Which of the following statements is true about the boiling point of a liquid?
A) It is the temperature at which the vapor pressure equals atmospheric pressure
B) It is the temperature at which the liquid turns into a solid
C) It is the temperature at which the vapor pressure is zero
D) It is the temperature at which the liquid has the highest density
According to the vapor pressure table, which liquid has the lowest vapor pressure at 25°C?
A) Water
B) Ethanol
C) Propanone
D) Ethanoic acid
How does temperature affect the vapor pressure of a liquid?
A) Increasing temperature decreases vapor pressure
B) Increasing temperature increases vapor pressure
C) Temperature has no effect on vapor pressure
D) Vapor pressure is constant regardless of temperature
What is the vapor pressure of water at 100°C?
A) 101.3 kPa
B) 50 kPa
C) 70 kPa
D) 90 kPa
Which factor does not affect the vapor pressure of a liquid?
A) Temperature
B) Surface area
C) Intermolecular forces
D) Volume of the liquid
What happens to the vapor pressure of a liquid in a closed container as it reaches equilibrium?
A) It increases indefinitely
B) It decreases to zero
C) It remains constant
D) It fluctuates continuously
Which of the following liquids would have the highest vapor pressure at room temperature?
A) Water
B) Ethanol
C) Propanone
D) Ethanoic acid
What is the significance of a substance's vapor pressure in determining its evaporation rate?
A) Higher vapor pressure means slower evaporation
B) Higher vapor pressure means faster evaporation
C) Vapor pressure does not affect evaporation rate
D) Lower vapor pressure means faster evaporation
Which of the following is true about the vapor pressure of a solution compared to its pure solvent?
A) The vapor pressure of a solution is higher
B) The vapor pressure of a solution is lower
C) The vapor pressure of a solution is the same
D) Vapor pressure is not affected by solutes
What is the effect of adding a non-volatile solute to a solvent on its vapor pressure?
A) Increases the vapor pressure
B) Decreases the vapor pressure
C) No effect on vapor pressure
D) Vapor pressure becomes zero
Which of the following best describes the Clausius-Clapeyron equation?
A) It relates vapor pressure to temperature
B) It relates vapor pressure to volume
C) It relates vapor pressure to intermolecular forces
D) It relates vapor pressure to density
What is the vapor pressure of propanone at 25°C according to the vapor pressure table?
A) 30 kPa
B) 40 kPa
C) 50 kPa
D) 60 kPa
How does atmospheric pressure affect the boiling point of a liquid?
A) Higher atmospheric pressure lowers the boiling point
B) Higher atmospheric pressure raises the boiling point
C) Atmospheric pressure has no effect on boiling point
D) Boiling point is constant regardless of atmospheric pressure
Which of the following is a real-world application of vapor pressure?
A) Predicting weather patterns
B) Designing pressure cookers
C) Calculating gravitational force
D) Measuring sound intensity
