compressibility factor in a sentence

The generalized compressibility factor graphs may be considerably in error for strongly polar gases which are gases for which the centers of positive and negative charge do not coincide.
How I do I convert the compressibility factor equation into a function of T, P, a and b ? talk ) 11 : 38, 28 September 2012 ( UTC)
An ideal gas is a simplified " real gas " with the assumption that the compressibility factor " Z " is set to 1 meaning that this pneumatic ratio remains constant.
The pressure dependence of the compressibility factor for N at high temperatures, compared with that for an ideal gas . The final figures shows the behavior at temperatures well above the critical temperatures.
where Z is the compressibility factor, \ rho is the overall number density of the mixture, and \ ln \ mathbf { B } is a mole-fraction weighted average over all mixture components:

In order to obtain a generalized graph that can be used for many different gases, the reduced pressure and temperature, P _ r and T _ r, are used to normalize the compressibility factor data.
The deviation from ideal gas behavior tends to become particularly significant ( or, equivalently, the compressibility factor strays far from unity ) near the critical point, or in the case of high pressure or low temperature.
As for the compressibility of gases, the principle of corresponding states indicates that any pure gas at the same reduced temperature, T _ r, and reduced pressure, P _ r, should have the same compressibility factor.
Beyond improved two-parameter equations of state, a number of three parameter equations have been developed, often with the third parameter depending on either Z c, the compressibility factor at the critical point, or ?, the acentric factor.
Where \ alpha is defined in the Peng-Robinson equation of state, " T r " is the reduced temperature, " P r " is the reduced pressure, " Z " is the compressibility factor, and

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