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Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b Formula

GoCritical Pressure given Peng Robinson Parameter a, and other Actual and Reduced Parameters Formula

GoCritical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter a Formula

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Critical Pressure is the minimum pressure required to liquify a substance at the critical temperature. Check FAQs

P c = 0.07780 \cdot [R] \cdot \frac{T c}{b PR}

P_c - Critical Pressure?T_c - Critical Temperature?b_PR - Peng–Robinson Parameter b?[R] - Universal gas constant?

Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b Example

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Here is how the Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b equation looks like with Values.

Here is how the Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b equation looks like with Units.

Here is how the Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b equation looks like.

3487.6815 = 0.07780 \cdot 8.3145 \cdot \frac{647}{0.12}

3487.6815Pa = 0.07780 \cdot 8.3145 \cdot \frac{647K}{0.12}

3487.6815 = 0.07780 \cdot 8.3145 \cdot \frac{647}{0.12}

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Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b Solution

Follow our step by step solution on how to calculate Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b?

FIRST Step Consider the formula

P c = 0.07780 \cdot [R] \cdot \frac{T c}{b PR}

Next Step Substitute values of Variables

∴

P c = 0.07780 \cdot [R] \cdot \frac{647K}{0.12}

Next Step Substitute values of Constants

∴

P c = 0.07780 \cdot 8.3145 \cdot \frac{647K}{0.12}

Next Step Prepare to Evaluate

∴

P c = 0.07780 \cdot 8.3145 \cdot \frac{647}{0.12}

Next Step Evaluate

∴

P c = 3487.68149187444Pa

LAST Step Rounding Answer

∴

P c = 3487.6815Pa

Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b Formula Elements

Variables

Constants

Critical Pressure

Critical Pressure 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.

Formulas to find Critical Pressure

Critical Temperature

Critical Temperature is the highest temperature at which the substance can exist as a liquid. At this phase boundaries vanish, and the substance can exist both as a liquid and vapor.

Symbol: T_c

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Critical Temperature

Peng–Robinson Parameter b

Peng–Robinson parameter b is an empirical parameter characteristic to equation obtained from Peng–Robinson model of real gas.

Symbol: b_PR

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Peng–Robinson Parameter b

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

Other Formulas to find Critical Pressure

Go Critical Pressure given Peng Robinson Parameter a, and other Actual and Reduced Parameters

P c = 0.45724 \cdot ({[R]}^{2}) \cdot \frac{{(\frac{T}{T r})}^{2}}{a PR}

Go Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter a

P c = 0.45724 \cdot ({[R]}^{2}) \cdot \frac{{T c}^{2}}{a PR}

Go Critical Pressure of Real Gas using Peng Robinson Equation given Reduced and Actual Parameters

P c = \frac{(\frac{[R] \cdot T}{V m - b PR}) - (\frac{a PR \cdot α}{({V m}^{2}) + (2 \cdot b PR \cdot V m) - ({b PR}^{2})})}{P r}

Go Critical Pressure using Peng Robinson Equation given Reduced and Critical Parameters

P c = \frac{(\frac{[R] \cdot (T r \cdot T c)}{(V m,r \cdot V m,c) - b PR}) - (\frac{a PR \cdot α}{({(V m,r \cdot V m,c)}^{2}) + (2 \cdot b PR \cdot (V m,r \cdot V m,c)) - ({b PR}^{2})})}{P r}

Other formulas in Critical Pressure category

Go Critical Pressure given Peng Robinson Parameter b and other Actual and Reduced Parameters

Pc PRP = 0.07780 \cdot [R] \cdot \frac{\frac{T g}{T r}}{b PR}

How to Evaluate Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b?

Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b evaluator uses Critical Pressure = 0.07780*[R]*Critical Temperature/Peng–Robinson Parameter b to evaluate the Critical Pressure, The Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b formula is defined as the minimum pressure required to liquefy a substance at the critical temperature. Critical Pressure is denoted by P_c symbol.

How to evaluate Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b using this online evaluator? To use this online evaluator for Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b, enter Critical Temperature (T_c) & Peng–Robinson Parameter b (b_PR) and hit the calculate button.

FAQs on Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b

What is the formula to find Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b?

The formula of Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b is expressed as Critical Pressure = 0.07780*[R]*Critical Temperature/Peng–Robinson Parameter b. Here is an example- 2092.609 = 0.07780*[R]*647/0.12.

How to calculate Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b?

With Critical Temperature (T_c) & Peng–Robinson Parameter b (b_PR) we can find Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b using the formula - Critical Pressure = 0.07780*[R]*Critical Temperature/Peng–Robinson Parameter b. This formula also uses Universal gas constant .

What are the other ways to Calculate Critical Pressure?

Here are the different ways to Calculate Critical Pressure-

Critical Pressure=0.45724*([R]^2)*((Temperature/Reduced Temperature)^2)/Peng–Robinson Parameter a
Critical Pressure=0.45724*([R]^2)*(Critical Temperature^2)/Peng–Robinson Parameter a
Critical Pressure=((([R]*Temperature)/(Molar Volume-Peng–Robinson Parameter b))-((Peng–Robinson Parameter a*α-function)/((Molar Volume^2)+(2*Peng–Robinson Parameter b*Molar Volume)-(Peng–Robinson Parameter b^2))))/Reduced Pressure

Can the Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b be negative?

No, the Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b, measured in Pressure cannot be negative.

Which unit is used to measure Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b?

Critical Pressure of Real Gas using Peng Robinson Equation given Peng Robinson Parameter b 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 using Peng Robinson Equation given Peng Robinson Parameter b can be measured.

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