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Redlich Kwong Parameter at Critical Point Formula

GoRedlich Kwong Parameter given Pressure, Temperature and Molar Volume of Real Gas Formula

GoRedlich Kwong Parameter a, given Reduced and Actual Pressure Formula

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Redlich–Kwong parameter a is an empirical parameter characteristic to equation obtained from Redlich–Kwong model of real gas. Check FAQs

a = \frac{0.42748 \cdot ({[R]}^{2}) \cdot ({T c}^{\frac{5}{2}})}{P c}

a - Redlich–Kwong Parameter a?T_c - Critical Temperature?P_c - Critical Pressure?[R] - Universal gas constant?

Redlich Kwong Parameter at Critical Point Example

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Here is how the Redlich Kwong Parameter at Critical Point equation looks like with Values.

Here is how the Redlich Kwong Parameter at Critical Point equation looks like with Units.

Here is how the Redlich Kwong Parameter at Critical Point equation looks like.

1.4E+6 = \frac{0.42748 \cdot ({8.3145}^{2}) \cdot (647^{\frac{5}{2}})}{218}

1.4E+6 = \frac{0.42748 \cdot ({8.3145}^{2}) \cdot ({647K}^{\frac{5}{2}})}{218Pa}

1.4E+6 = \frac{0.42748 \cdot ({8.3145}^{2}) \cdot (647^{\frac{5}{2}})}{218}

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Redlich Kwong Parameter at Critical Point Solution

Follow our step by step solution on how to calculate Redlich Kwong Parameter at Critical Point?

FIRST Step Consider the formula

a = \frac{0.42748 \cdot ({[R]}^{2}) \cdot ({T c}^{\frac{5}{2}})}{P c}

Next Step Substitute values of Variables

∴

a = \frac{0.42748 \cdot ({[R]}^{2}) \cdot ({647K}^{\frac{5}{2}})}{218Pa}

Next Step Substitute values of Constants

∴

a = \frac{0.42748 \cdot ({8.3145}^{2}) \cdot ({647K}^{\frac{5}{2}})}{218Pa}

Next Step Prepare to Evaluate

∴

a = \frac{0.42748 \cdot ({8.3145}^{2}) \cdot (647^{\frac{5}{2}})}{218}

Next Step Evaluate

∴

a = 1443405.57676536

LAST Step Rounding Answer

∴

a = 1.4E+6

Redlich Kwong Parameter at Critical Point Formula Elements

Variables

Constants

Redlich–Kwong Parameter a

Redlich–Kwong parameter a is an empirical parameter characteristic to equation obtained from Redlich–Kwong model of real gas.

Symbol: a

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Redlich–Kwong Parameter a

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

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

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 Redlich–Kwong Parameter a

Go Redlich Kwong Parameter given Pressure, Temperature and Molar Volume of Real Gas

a = ((\frac{[R] \cdot T}{V m - b}) - p) \cdot (\sqrt{T} \cdot V m \cdot (V m + b))

Go Redlich Kwong Parameter a, given Reduced and Actual Pressure

a = \frac{0.42748 \cdot ({[R]}^{2}) \cdot ({(\frac{T}{T r})}^{\frac{5}{2}})}{\frac{p}{P r}}

Other formulas in Redlich Kwong Parameter category

Go Redlich Kwong Parameter b at Critical Point

b para = \frac{0.08664 \cdot [R] \cdot T c}{P c}

Go Redlich Kwong Parameter b given Pressure, Temperature and Molar Volume of Real Gas

b = - \frac{(\frac{1}{p}) + (\frac{\sqrt{T} \cdot ({V m}^{2})}{a}) - (\frac{V m}{[R] \cdot T})}{(\frac{1}{[R] \cdot T}) + (\frac{\sqrt{T} \cdot V m}{a})}

Go Redlich Kwong Parameter b given Reduced and Actual Pressure

b = \frac{0.08664 \cdot [R] \cdot (\frac{T}{T r})}{\frac{p}{P r}}

How to Evaluate Redlich Kwong Parameter at Critical Point?

Redlich Kwong Parameter at Critical Point evaluator uses Redlich–Kwong Parameter a = (0.42748*([R]^2)*(Critical Temperature^(5/2)))/Critical Pressure to evaluate the Redlich–Kwong Parameter a, Redlich Kwong parameter at critical point formula is defined as is empirical parameter characteristic to equation obtained from Redlich–Kwong model of real gas. Redlich–Kwong Parameter a is denoted by a symbol.

How to evaluate Redlich Kwong Parameter at Critical Point using this online evaluator? To use this online evaluator for Redlich Kwong Parameter at Critical Point, enter Critical Temperature (T_c) & Critical Pressure (P_c) and hit the calculate button.

FAQs on Redlich Kwong Parameter at Critical Point

What is the formula to find Redlich Kwong Parameter at Critical Point?

The formula of Redlich Kwong Parameter at Critical Point is expressed as Redlich–Kwong Parameter a = (0.42748*([R]^2)*(Critical Temperature^(5/2)))/Critical Pressure. Here is an example- 1.4E+6 = (0.42748*([R]^2)*(647^(5/2)))/218.

How to calculate Redlich Kwong Parameter at Critical Point?

With Critical Temperature (T_c) & Critical Pressure (P_c) we can find Redlich Kwong Parameter at Critical Point using the formula - Redlich–Kwong Parameter a = (0.42748*([R]^2)*(Critical Temperature^(5/2)))/Critical Pressure. This formula also uses Universal gas constant .

What are the other ways to Calculate Redlich–Kwong Parameter a?

Here are the different ways to Calculate Redlich–Kwong Parameter a-

Redlich–Kwong Parameter a=((([R]*Temperature)/(Molar Volume-Redlich–Kwong parameter b))-Pressure)*(sqrt(Temperature)*Molar Volume*(Molar Volume+Redlich–Kwong parameter b))
Redlich–Kwong Parameter a=(0.42748*([R]^2)*((Temperature/Reduced Temperature)^(5/2)))/(Pressure/Reduced Pressure)

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