Vapour Pressure and Temperature Quiz
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Questions and Answers

How does temperature affect vapour pressure?

  • Temperature has no effect on vapour pressure
  • Increasing temperature decreases the vapour pressure
  • Increasing temperature increases the vapour pressure (correct)
  • The effect of temperature on vapour pressure depends on the type of vapor

    • What happens to the boiling point of a liquid as vapour pressure increases?

  • The boiling point increases
  • The boiling point becomes unpredictable
  • The boiling point decreases (correct)
  • The boiling point remains constant

    • What is vapour pressure?

  • The pressure exerted by a vapor when it is in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system (correct)
  • The pressure exerted by a liquid when it is in thermodynamic equilibrium with its condensed phases at a given temperature in an open system
  • The pressure exerted by a solid when it is in thermodynamic equilibrium with its gaseous phase at a given temperature in a closed system
  • The pressure exerted by a gas when it is in thermodynamic equilibrium with its condensed phases at a given temperature in an open system

    • In which type of system is vapour pressure generally measured?

    <p>Closed system</p> Signup and view all the answers

    What is the characteristic property of a substance that determines its vapour pressure?

    <p>Intermolecular forces</p> Signup and view all the answers

    What happens to the boiling point of a liquid as its vapour pressure increases?

    <p>Boiling point decreases</p> Signup and view all the answers

    Which factor primarily determines the rate at which a liquid evaporates at a particular temperature?

    <p>Surface area of the liquid</p> Signup and view all the answers

    How does an increase in temperature affect the vapour pressure of a substance?

    <p>It increases the vapour pressure</p> Signup and view all the answers

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