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InformaTION:

Kinetic Molecular Theory



To explain the behavior of gasses, the kinetic molecular theory can be ​used. The work kinetic refers to the motion of the molecules as they ​constantly move in all directions. This theory presents each gas ​molecule as a tiny particle. A gas molecule may collide with any object ​in its path, such as another gas molecule on the walls of its container, ​like billiard balls in a pool table.



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InformaTION:

Kinetic Molecular Postulate

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the principle assumptions of the kinetic molecular theory are the ​following:


  • gasses consist of very tiny molecules. The distance between ​these molecules is significantly longer than the size of the ​molecules themselves.
  • there is no force of attraction between and among gas molecules, ​gas molecules
  • Gas molecules are in a constant, random, and linear motion. They ​collide frequently with one another and with the walls of their ​container. These collisions are perfectly elastic. That is, no energy ​is lost nor gained when gas molecules collide.
  • the average kinetic energy of gas molecules is the same for all ​gasses at the same temperature, and its value is directly ​proportional to the kelvin temperature.