Ideal Gas

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Ideal Gas is a concept where:

  • gas is composed with molecules of negligible volume;
  • interaction between the molecules is negligible.

Equation Of State

It all started with Boyle-Charles Law published in 1662 .

 PV = const

The Ideal Gas EOS:

 PV = n RT =  \frac{m}{M} RT


 m = mass, lbm
 M = molecular weight, lbm/lbmol
 n = number of moles, lbmol
 P = Pressure, psia
 R = universal gas constant, 10.7316 psia ft3/ lbmol/ °R
 T = temperature, °R
 V = volume, ft3

See also

Ideal Gas
Real Gas
gas compressibility factor