The Vapor Pressure of a Liquid Increases with Increasing Temperature

question 31

Multiple Choice

The vapor pressure of a liquid increases with increasing temperature.Which of the following statements best explains this relationship?

• A)All the molecules have greater kinetic energies.
• B)The number of gaseous molecules above the liquid remains constant,but these molecules have greater average kinetic energy.
• C)The faster-moving molecules in the liquid exert a greater pressure.
• D)The intermolecular forces between the molecules decrease at higher temperatures.
• E)The average kinetic energy of molecules is greater; thus more molecules can enter the gaseous state.

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