The vapor pressure of liquid heptane, C7H16, is 100 mm Hg at 315 K. A sample of C7H16 is placed in a closed, evacuated 579 mL container at a temperature of 315 K. It is found that all of the C7H16 is in the vapor phase and that the pressure is 64.0 mm Hg. If the volume of the container is reduced to 366 mL at constant temperature, which of the following statements are correct? (Select all that apply.) The pressure in the container will be 101 mm Hg. Only heptane vapor will be present. No condensation will occur. Liquid heptane will be present. Some of the vapor initially present will condense.

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Chapter11: States Of Matter; Liquids And Solids
Section: Chapter Questions
Problem 11.58QP: A tank of gas at 21C has a pressure of 1.0 atm. Using the data in the table, answer the following...
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The vapor pressure of liquid heptane, C7H16, is 100 mm Hg at 315 K.
A sample of C7H16 is placed in a closed, evacuated 579 mL container at a temperature of
315 K. It is found that all of the C7H16 is in the vapor phase and that the pressure is 64.0
mm Hg. If the volume of the container is reduced to 366 mL at constant temperature,
which of the following statements are correct?
(Select all that apply.)
The pressure in the container will be 101 mm Hg.
Only heptane vapor will be present.
No condensation will occur.
Liquid heptane will be present.
Some of the vapor initially present will condense.
Transcribed Image Text:The vapor pressure of liquid heptane, C7H16, is 100 mm Hg at 315 K. A sample of C7H16 is placed in a closed, evacuated 579 mL container at a temperature of 315 K. It is found that all of the C7H16 is in the vapor phase and that the pressure is 64.0 mm Hg. If the volume of the container is reduced to 366 mL at constant temperature, which of the following statements are correct? (Select all that apply.) The pressure in the container will be 101 mm Hg. Only heptane vapor will be present. No condensation will occur. Liquid heptane will be present. Some of the vapor initially present will condense.
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