A gas exerts pressure on its container because?

  • A the molecules of a gas collide with the walls of the container
  • B some of the molecules are moving faster than others
  • C of the collisions of the molecules with each other
  • D of the mass of the molecules of the gas
jamb 2009chemistry

The correct answer is A. the molecules of a gas collide with the walls of the container

Gas pressure is the name given to the force exerted by gas particles colliding with the wall of their container.

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