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Fugacity is a thermodynamic property of a real gas which if substituted for the pressure or partial pressure in the equations for an ideal gas gives equations applicable to the real gas. Check FAQs
f=Pexp(G-Gig[R]T)
f - Fugacity?P - Pressure?G - Gibbs Free Energy?Gig - Ideal Gas Gibbs Free Energy?T - Temperature?[R] - Universal gas constant?

Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure Example

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Here is how the Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure equation looks like with Values.

Here is how the Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure equation looks like with Units.

Here is how the Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure equation looks like.

39.796Edit=38.4Editexp(228.61Edit-95Edit8.3145450Edit)
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Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure Solution

Follow our step by step solution on how to calculate Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure?

FIRST Step Consider the formula
f=Pexp(G-Gig[R]T)
Next Step Substitute values of Variables
f=38.4Paexp(228.61J-95J[R]450K)
Next Step Substitute values of Constants
f=38.4Paexp(228.61J-95J8.3145450K)
Next Step Prepare to Evaluate
f=38.4exp(228.61-958.3145450)
Next Step Evaluate
f=39.79604988186Pa
LAST Step Rounding Answer
f=39.796Pa

Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure Formula Elements

Variables
Constants
Functions
Fugacity
Fugacity is a thermodynamic property of a real gas which if substituted for the pressure or partial pressure in the equations for an ideal gas gives equations applicable to the real gas.
Symbol: f
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
Pressure
Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
Symbol: P
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
Gibbs Free Energy
Gibbs Free Energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure.
Symbol: G
Measurement: EnergyUnit: J
Note: Value can be positive or negative.
Ideal Gas Gibbs Free Energy
Ideal Gas Gibbs Free Energy is the Gibbs energy in an ideal condition.
Symbol: Gig
Measurement: EnergyUnit: J
Note: Value can be positive or negative.
Temperature
Temperature is the degree or intensity of heat present in a substance or object.
Symbol: T
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
Universal gas constant
Universal gas constant is a fundamental physical constant that appears in the ideal gas law, relating the pressure, volume, and temperature of an ideal gas.
Symbol: [R]
Value: 8.31446261815324
exp
n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable.
Syntax: exp(Number)

Other Formulas to find Fugacity

​Go Fugacity using Residual Gibbs Free Energy and Pressure
f=Pexp(GR[R]T)

Other formulas in Fugacity and Fugacity Coefficient category

​Go Gibbs Free Energy using Ideal Gibbs Free Energy and Fugacity Coefficient
G=Gig+[R]Tln(ϕ)
​Go Residual Gibbs Free Energy using Fugacity Coefficient
GR=[R]Tln(ϕ)
​Go Fugacity Coefficient using Residual Gibbs Free Energy
ϕ=exp(GR[R]T)
​Go Temperature using Residual Gibbs Free Energy and Fugacity Coefficient
T=modu̲s(GR[R]ln(ϕ))

How to Evaluate Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure?

Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure evaluator uses Fugacity = Pressure*exp((Gibbs Free Energy-Ideal Gas Gibbs Free Energy)/([R]*Temperature)) to evaluate the Fugacity, The Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure formula is defined as the product of the pressure and the exponential of the ratio of the difference of actual Gibbs free energy by the ideal Gibbs free energy to the product of universal gas constant and temperature. Fugacity is denoted by f symbol.

How to evaluate Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure using this online evaluator? To use this online evaluator for Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure, enter Pressure (P), Gibbs Free Energy (G), Ideal Gas Gibbs Free Energy (Gig) & Temperature (T) and hit the calculate button.

FAQs on Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure

What is the formula to find Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure?
The formula of Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure is expressed as Fugacity = Pressure*exp((Gibbs Free Energy-Ideal Gas Gibbs Free Energy)/([R]*Temperature)). Here is an example- 39.79605 = 38.4*exp((228.61-95)/([R]*450)).
How to calculate Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure?
With Pressure (P), Gibbs Free Energy (G), Ideal Gas Gibbs Free Energy (Gig) & Temperature (T) we can find Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure using the formula - Fugacity = Pressure*exp((Gibbs Free Energy-Ideal Gas Gibbs Free Energy)/([R]*Temperature)). This formula also uses Universal gas constant and Exponential Growth Function function(s).
What are the other ways to Calculate Fugacity?
Here are the different ways to Calculate Fugacity-
  • Fugacity=Pressure*exp(Residual Gibbs Free Energy/([R]*Temperature))OpenImg
Can the Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure be negative?
Yes, the Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure, measured in Pressure can be negative.
Which unit is used to measure Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure?
Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure is usually measured using the Pascal[Pa] for Pressure. Kilopascal[Pa], Bar[Pa], Pound Per Square Inch[Pa] are the few other units in which Fugacity using Gibbs Free Energy, Ideal Gibbs Free Energy and Pressure can be measured.
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