Kinetic theory

The kinetic theory of gases is a theory that explains the macroscopic properties of gases by consideration of their composition at a molecular level.

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The fundamental principles of the kinetic theory are given in the form of several postulates:

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• Gases are composed of molecules in constant, random motion. The moving particles constantly collide with each other and with the walls of the container.
• The collisions between gas molecules are elastic.
• The total volume of the gas molecules is negligible compared to the volume of the container.
• The forces of attraction between the molecules are negligible.

The above postulates accurately describe the behavior of ideal gases. Real gases approach ideality under conditions of low density and high temperature.

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Macroscopic: Macroscopic is commonly used to describe physical objects that are measurable and observable by the naked eye. When applied to phenomena and abstract objects, it describes existence in the world as we perceive it. Lengths scales generally considered macroscopic roughly fall in the range 1 mm - 1 km....

Gas: :For other meanings see gas (disambiguation)....

Molecular: REDIRECT Molecule...

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