Fugacity Calculator
Calculate the effective pressure (fugacity) of real gases that accounts for non-ideal behavior.
Z = 1 for ideal gas
Results
Fugacity f: 9.5123 MPa
Fugacity Coefficient φ: 0.951229
Compressibility Factor Z: 0.950000
Deviation from ideal: -4.88%
Fugacity Concepts
Definition: f = φ·P (fugacity = coefficient × pressure)
Ideal gas: φ = 1, f = P
From Z: ln(φ) = ∫₀ᴾ (Z-1)/P dP
Fugacity represents the "effective pressure" for real gases in chemical equilibrium calculations.