According to the kinetic molecular theory of gases,which of the following statements is correct for a diatomic molecule?

  • A
    The pressure exerted by the gas is directly proportional to the average velocity of the molecules.
  • B
    The pressure exerted by the gas is directly proportional to the root mean square velocity of the molecules.
  • C
    The root mean square velocity of the molecules is inversely proportional to the temperature.
  • D
    The average kinetic energy of the molecules is directly proportional to the absolute temperature.

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