Kinetic Theory of Gases

  1. Negligible forces of attraction hold gases.
  2. The molecules of gases are in continuous random straight-line motion.
  3. The molecules of gases collide with one another and the walls of the containing vessels.
  4. The collisions of gases are perfectly elastic. i.e. both kinetic energy and momentum are conserved.
  5. The average kinetic energy is proportional to the absolute temperature.

NB: Brownian motion, Osmosis, diffusion etc support Kinetic. theory of gases.

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