Engineering :: Thermodynamics

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The compressibility factor (Z) of a gas is defined as

[A].	the ration of the actual volume of the gas to the volume predicted by ideal-gas law	[B].	the ratio of the volume predicted by ideal-gas law to the actual volume of the gas
[C].	the difference between the actual volume of the gas and the volume predicted by ideal-gas law	[D].	none of the above

Answer: Option A