Gaseous State

If the thermal energy is much greater than the forces of attraction, then we have the matter in the gaseous state. Molecule in the gaseous state move with very large speeds and the forces of attraction amongst them are not sufficient to bind the molecules in one place, with the results that the molecules moved practically independent of one another. Because of this feature, gases are characterized by marked sensitivity of volume changes with the change of temperature and pressure. There exists no boundary surface and therefore gases tend to fill completely any available space i.e. they do not possess a fixed volume.

Boyle’s Law
  • At constant temperature, the volume of a definite mass of a gas is inversely proportional to its pressure.
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[Chemical kinetics] [column1]

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