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Vapor pressure Knowledge-Based Practice

Chemistry · States of Matter & Solutions · Chemistry · Intermolecular Forces

1 Chemistry practice questions on Vapor pressure. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    Which of the following statements correctly describes the relationship between intermolecular forces and the equilibrium vapor pressure of a pure liquid at a constant temperature?

    • A) Liquids with stronger intermolecular forces exhibit a higher vapor pressure because cohesive interactions accelerate the rate of surface vaporization.
    • B) Liquids with weaker intermolecular forces exhibit a lower vapor pressure because particles require more kinetic energy to enter the gas phase.
    • C) Liquids with stronger intermolecular forces exhibit a lower vapor pressure because fewer molecules possess sufficient energy to overcome attractive interactions.
    • D) Equilibrium vapor pressure depends strictly on the total volume of liquid present rather than the strength of intermolecular forces.

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