Thermodynamics Basics Quiz
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Questions and Answers

What happens to the speed of atoms/molecules when a substance is heated?

  • The speed of atoms/molecules remains the same.
  • The speed of atoms/molecules decreases.
  • The speed of atoms/molecules increases. (correct)
  • The speed of atoms/molecules becomes more variable.

    • What is the relationship between temperature and the average speed of atoms/molecules?

  • Temperature is exponentially related to the average speed of atoms/molecules.
  • Temperature is directly proportional to the average speed of atoms/molecules. (correct)
  • Temperature is not related to the average speed of atoms/molecules.
  • Temperature is inversely proportional to the average speed of atoms/molecules.

    • What happens to the volume of a substance when it is cooled?

  • The volume of the substance increases.
  • The volume of the substance remains the same.
  • The volume of the substance becomes more variable.
  • The volume of the substance decreases. (correct)

    • What happens to the frequency and strength of collisions between atoms/molecules when a substance is warmed?

    <p>The frequency and strength of collisions increase.</p> Signup and view all the answers

    What happens to the atoms/molecules themselves when a substance is heated or cooled?

    <p>The atoms/molecules remain the same size regardless of temperature changes.</p> Signup and view all the answers

    What is the relationship between energy transfer and temperature change in a substance?

    <p>Energy transfer to a substance results in an increase in temperature.</p> Signup and view all the answers

    What happens to the volume of a substance when it is cooled?

    <p>It decreases as the atoms/molecules get closer together.</p> Signup and view all the answers

    What is the impact on collisions between atoms/molecules when a substance is cooled?

    <p>Collisions become weaker and less frequent.</p> Signup and view all the answers

    What happens to the speed of atoms/molecules when a substance is heated?

    <p>Speed increases as energy is transferred to the substance.</p> Signup and view all the answers

    How does increased energy transfer affect the temperature of a substance?

    <p>Temperature increases with increased energy transfer.</p> Signup and view all the answers

    What causes a substance to expand and increase in volume?

    <p>Atoms/molecules spreading further apart</p> Signup and view all the answers

    When a substance is cooled, why do atoms/molecules get closer together?

    <p>Loss of energy and slower movement</p> Signup and view all the answers

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