Heat Transfer and Temperature Measurement Quiz
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Questions and Answers

What happens when a substance is heated?

  • The atoms/molecules spread further apart and the volume decreases.
  • The atoms/molecules lose energy and move slower.
  • The atoms/molecules get closer together and the volume increases.
  • The atoms/molecules gain energy and move faster. (correct)

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

  • Temperature has no relationship to the speed of atoms/molecules.
  • Temperature is a measurement of the average speed of atoms/molecules. (correct)
  • The slower the atoms/molecules move, the higher the temperature.
  • The faster the atoms/molecules move, the lower the temperature.

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

  • The volume increases as the atoms/molecules gain energy and move faster.
  • The volume stays the same as the atoms/molecules do not expand or shrink.
  • The volume increases as the atoms/molecules spread further apart.
  • The volume decreases as the atoms/molecules get closer together. (correct)

    • How do the collisions of atoms/molecules change when a substance is warmed?

    <p>The collisions become stronger and more frequent.</p> Signup and view all the answers

    What is the relationship between temperature and the movement of atoms/molecules?

    <p>Higher temperature means the atoms/molecules are moving faster.</p> Signup and view all the answers

    An increase in the number density of gas particles will result in higher pressure.

    <p>True</p> Signup and view all the answers

    In a gas, the mean free path decreases as the pressure increases.

    <p>True</p> Signup and view all the answers

    Gaseous particles move slower and collide less frequently as the temperature increases.

    <p>False</p> Signup and view all the answers

    At low pressures, like those found in outer space, the mean free path of gas particles is typically small.

    <p>False</p> Signup and view all the answers

    The ideal gas law is not relevant for describing the relationship between the number density of gas particles and pressure.

    <p>False</p> Signup and view all the answers

    Gases exhibit an increase in viscosity with increasing temperature.

    <p>False</p> Signup and view all the answers

    In gases, diffusion occurs at a slower rate compared to liquids.

    <p>False</p> Signup and view all the answers

    Intermolecular forces have no role in determining the behavior of gaseous particles.

    <p>False</p> Signup and view all the answers

    Hydrogen bonding does not lead to unique behaviors in gases.

    <p>False</p> Signup and view all the answers

    Gaseous particles cannot interact with electromagnetic radiation.

    <p>False</p> Signup and view all the answers

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