States of Matter and Gas Laws
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Questions and Answers

Which of the following statements about the kinetic molecular theory is FALSE?

  • The attractive forces between particles are negligible in gases.
  • The particles have a wide range of kinetic energies.
  • The particles are in constant random motion.
  • The particles are closely packed in a crystalline arrangement. (correct)
  • During a phase change from a solid to a liquid, what happens to the molecular motion and intermolecular forces?

  • Molecular motion remains constant, intermolecular forces decrease.
  • Molecular motion increases, intermolecular forces decrease. (correct)
  • Molecular motion decreases, intermolecular forces increase.
  • Molecular motion remains constant, intermolecular forces increase.
  • According to Dalton's law of partial pressures, what is the total pressure of a mixture of gases?

  • The sum of the partial pressures of each gas. (correct)
  • The average of the partial pressures of each gas.
  • The ratio of the partial pressures of each gas.
  • The product of the partial pressures of each gas.
  • A sample of gas has a volume of 2 liters at a pressure of 3 atm. What will be the volume if the pressure is increased to 6 atm at constant temperature?

    <p>1 liter</p> Signup and view all the answers

    What is the primary factor responsible for the phenomenon of surface tension?

    <p>The strength of the intermolecular forces between molecules.</p> Signup and view all the answers

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