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Critical Pressure for Peng Robinson Model is the minimum pressure required to liquify a substance at the critical temperature. Check FAQs
P,c=c4((TrgTr)2)((V'mV'r)3)
P,c - Critical Pressure for Peng Robinson Model?c - Wohl Parameter c?Trg - Temperature of Real Gas?Tr - Reduced Temperature?V'm - Molar Volume of Real Gas?V'r - Reduced Molar Volume for P-R Method?

Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters Example

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Here is how the Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters equation looks like with Values.

Here is how the Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters equation looks like with Units.

Here is how the Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters equation looks like.

1.7E+8Edit=21Edit4((300Edit1.46Edit)2)((0.0224Edit246.78Edit)3)
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Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters Solution

Follow our step by step solution on how to calculate Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters?

FIRST Step Consider the formula
P,c=c4((TrgTr)2)((V'mV'r)3)
Next Step Substitute values of Variables
P,c=214((300K1.46)2)((0.0224246.78)3)
Next Step Prepare to Evaluate
P,c=214((3001.46)2)((0.0224246.78)3)
Next Step Evaluate
P,c=166267868.846212Pa
LAST Step Rounding Answer
P,c=1.7E+8Pa

Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters Formula Elements

Variables
Critical Pressure for Peng Robinson Model
Critical Pressure for Peng Robinson Model is the minimum pressure required to liquify a substance at the critical temperature.
Symbol: P,c
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.
Wohl Parameter c
Wohl parameter c is an empirical parameter characteristic to equation obtained from Wohl model of real gas.
Symbol: c
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Temperature of Real Gas
Temperature of Real Gas is the degree or intensity of heat present in a substance or object.
Symbol: Trg
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
Reduced Temperature
Reduced Temperature is the ratio of the actual temperature of the fluid to its critical temperature. It is dimensionless.
Symbol: Tr
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Molar Volume of Real Gas
Molar Volume of Real Gas or Molar gas volume is one mole of any gas at a specific temperature and pressure has a fixed volume.
Symbol: V'm
Measurement: VolumeUnit:
Note: Value can be positive or negative.
Reduced Molar Volume for P-R Method
Reduced Molar Volume for P-R Method of a fluid is computed from the ideal gas law at the substance's critical pressure and temperature per mole.
Symbol: V'r
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other Formulas to find Critical Pressure for Peng Robinson Model

​Go Critical Pressure of Real Gas using Wohl Equation given Wohl Parameter a
P,c=a6T'c(V'c2)
​Go Critical Pressure of Real Gas using Wohl Equation given Wohl Parameter c
P,c=c4(T'c2)(V'c3)
​Go Critical Pressure of Real Gas using Wohl Equation given Wohl Parameter b
P,c=[R]T'c15b
​Go Critical Pressure of Wohl's Real Gas using other Critical Parameters
P,c=4[R]T'c15V'c

Other formulas in Wohl Model of Real Gas category

​Go Reduced Pressure of Real Gas using Wohl Equation given Critical and Actual Parameters
Pr=([R]TrgV'm-b)-(aTrgV'm(V'm-b))+(c(Trg2)(V'm3))P,c
​Go Reduced Pressure of Real Gas using Wohl Equation given Reduced and Critical Parameters
Pr=([R](TrT'c)(V'rV'c)-b)-(a(TrT'c)(V'rV'c)((V'rV'c)-b))+(c((TrT'c)2)((V'rV'c)3))P,c
​Go Reduced Pressure of Real Gas given Wohl Parameter a, and Actual and Critical Parameters
Pr=Prga6T'c(V'c2)
​Go Reduced Pressure of Real Gas given Wohl Parameter c and Actual and Critical Parameters
Pr=Prgc4(T'c2)(V'c3)

How to Evaluate Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters?

Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters evaluator uses Critical Pressure for Peng Robinson Model = Wohl Parameter c/(4*((Temperature of Real Gas/Reduced Temperature)^2)*((Molar Volume of Real Gas/Reduced Molar Volume for P-R Method)^3)) to evaluate the Critical Pressure for Peng Robinson Model, The Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters formula is defined as the minimum pressure required to liquify a substance at the critical temperature. Critical Pressure for Peng Robinson Model is denoted by P,c symbol.

How to evaluate Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters using this online evaluator? To use this online evaluator for Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters, enter Wohl Parameter c (c), Temperature of Real Gas (Trg), Reduced Temperature (Tr), Molar Volume of Real Gas (V'm) & Reduced Molar Volume for P-R Method (V'r) and hit the calculate button.

FAQs on Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters

What is the formula to find Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters?
The formula of Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters is expressed as Critical Pressure for Peng Robinson Model = Wohl Parameter c/(4*((Temperature of Real Gas/Reduced Temperature)^2)*((Molar Volume of Real Gas/Reduced Molar Volume for P-R Method)^3)). Here is an example- 2.1E+9 = 21/(4*((300/1.46)^2)*((0.0224/246.78)^3)).
How to calculate Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters?
With Wohl Parameter c (c), Temperature of Real Gas (Trg), Reduced Temperature (Tr), Molar Volume of Real Gas (V'm) & Reduced Molar Volume for P-R Method (V'r) we can find Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters using the formula - Critical Pressure for Peng Robinson Model = Wohl Parameter c/(4*((Temperature of Real Gas/Reduced Temperature)^2)*((Molar Volume of Real Gas/Reduced Molar Volume for P-R Method)^3)).
What are the other ways to Calculate Critical Pressure for Peng Robinson Model?
Here are the different ways to Calculate Critical Pressure for Peng Robinson Model-
  • Critical Pressure for Peng Robinson Model=Wohl Parameter a/(6*Critical Temperature of Real Gas*(Critical Molar Volume for Peng Robinson Model^2))OpenImg
  • Critical Pressure for Peng Robinson Model=Wohl Parameter c/(4*(Critical Temperature of Real Gas^2)*(Critical Molar Volume for Peng Robinson Model^3))OpenImg
  • Critical Pressure for Peng Robinson Model=([R]*Critical Temperature of Real Gas)/(15*Wohl Parameter b)OpenImg
Can the Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters be negative?
No, the Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters, measured in Pressure cannot be negative.
Which unit is used to measure Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters?
Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters 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 Critical Pressure of Real Gas given Wohl Parameter c and other Actual and Reduced Parameters can be measured.
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