Ideal gas laws

Publisher Summary

The relationship that exists among pressure, volume, and temperature of a gas are given in a set of laws called the gas laws. An ideal gas is one that completely obeys the gas laws. In practice, no gas is an ideal gas, although air is very close to being one. The kinetic theory of gases suggests that gases are composed of particles in motion. The continual bombardment of any surface by the gas causes a pressure to be exerted; the greater the densityof a gas, the more frequent the number of collisions between molecules and the surface, and the greater the pressure exerted. Therefore, the pressure increases either when the volume of a certain mass of gas is reduced, or when more gas is pumped into a vessel. ...

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