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Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' Formula

GoPressure of Real Gas using Redlich Kwong Equation Formula

GoActual Pressure using Redlich Kwong Equation given 'a' and 'b' Formula

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Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Check FAQs

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

p - Pressure?P_r - Reduced Pressure?T_c - Critical Temperature?b - Redlich–Kwong parameter b?[R] - Universal gas constant?

Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' Example

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Here is how the Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' equation looks like with Values.

Here is how the Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' equation looks like with Units.

Here is how the Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' equation looks like.

0.1713 = 3.7E-5 \cdot (\frac{0.08664 \cdot 8.3145 \cdot 647}{0.1})

0.1713Pa = 3.7E-5 \cdot (\frac{0.08664 \cdot 8.3145 \cdot 647K}{0.1})

0.1713 = 3.7E-5 \cdot (\frac{0.08664 \cdot 8.3145 \cdot 647}{0.1})

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Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' Solution

Follow our step by step solution on how to calculate Actual Pressure of Real Gas using Redlich Kwong Equation given 'b'?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

p = 3.7E-5 \cdot (\frac{0.08664 \cdot [R] \cdot 647K}{0.1})

Next Step Substitute values of Constants

∴

p = 3.7E-5 \cdot (\frac{0.08664 \cdot 8.3145 \cdot 647K}{0.1})

Next Step Prepare to Evaluate

∴

p = 3.7E-5 \cdot (\frac{0.08664 \cdot 8.3145 \cdot 647}{0.1})

Next Step Evaluate

∴

p = 0.171282996767476Pa

LAST Step Rounding Answer

∴

p = 0.1713Pa

Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' Formula Elements

Variables

Constants

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.

Formulas to find Pressure

Reduced Pressure

Reduced Pressure is the ratio of the actual pressure of the fluid to its critical pressure. It is dimensionless.

Symbol: P_r

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Reduced 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

Redlich–Kwong parameter b

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

Symbol: b

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Redlich–Kwong 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 Pressure

Go Pressure of Real Gas using Redlich Kwong Equation

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

Go Actual Pressure using Redlich Kwong Equation given 'a' and 'b'

p = (\frac{{((2^{\frac{1}{3}}) - 1)}^{\frac{7}{3}} \cdot ({[R]}^{\frac{1}{3}}) \cdot (a^{\frac{2}{3}})}{(3^{\frac{1}{3}}) \cdot (b^{\frac{5}{3}})}) \cdot P r

Go Actual Pressure of Real Gas using Reduced Redlich Kwong Equation

p = P c \cdot ((\frac{3 \cdot T r}{V m,r - 0.26}) - (\frac{1}{0.26 \cdot \sqrt{T} \cdot V m,r \cdot (V m,r + 0.26)}))

Other formulas in Redlich Kwong Model of Real Gas category

Go Molar Volume of Real Gas using Redlich Kwong Equation

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

Go Critical Pressure of Real Gas using Redlich Kwong Equation given 'a' and 'b'

P c = \frac{{((2^{\frac{1}{3}}) - 1)}^{\frac{7}{3}} \cdot ({[R]}^{\frac{1}{3}}) \cdot (a^{\frac{2}{3}})}{(3^{\frac{1}{3}}) \cdot (b^{\frac{5}{3}})}

Go Critical Molar Volume of Real Gas using Redlich Kwong Equation given 'a' and 'b'

V m,c = \frac{b}{(2^{\frac{1}{3}}) - 1}

Go Reduced Pressure using Redlich Kwong Equation given 'a' and 'b'

P r = \frac{P rg}{\frac{{((2^{\frac{1}{3}}) - 1)}^{\frac{7}{3}} \cdot ({[R]}^{\frac{1}{3}}) \cdot (a^{\frac{2}{3}})}{(3^{\frac{1}{3}}) \cdot (b^{\frac{5}{3}})}}

How to Evaluate Actual Pressure of Real Gas using Redlich Kwong Equation given 'b'?

Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' evaluator uses Pressure = Reduced Pressure*((0.08664*[R]*Critical Temperature)/Redlich–Kwong parameter b) to evaluate the Pressure, The Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' formula is defined as the physical force exerted on the walls of the container by a real gas. Pressure is denoted by p symbol.

How to evaluate Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' using this online evaluator? To use this online evaluator for Actual Pressure of Real Gas using Redlich Kwong Equation given 'b', enter Reduced Pressure (P_r), Critical Temperature (T_c) & Redlich–Kwong parameter b (b) and hit the calculate button.

FAQs on Actual Pressure of Real Gas using Redlich Kwong Equation given 'b'

What is the formula to find Actual Pressure of Real Gas using Redlich Kwong Equation given 'b'?

The formula of Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' is expressed as Pressure = Reduced Pressure*((0.08664*[R]*Critical Temperature)/Redlich–Kwong parameter b). Here is an example- 0.171283 = 3.675E-05*((0.08664*[R]*647)/0.1).

How to calculate Actual Pressure of Real Gas using Redlich Kwong Equation given 'b'?

With Reduced Pressure (P_r), Critical Temperature (T_c) & Redlich–Kwong parameter b (b) we can find Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' using the formula - Pressure = Reduced Pressure*((0.08664*[R]*Critical Temperature)/Redlich–Kwong parameter b). This formula also uses Universal gas constant .

What are the other ways to Calculate Pressure?

Here are the different ways to Calculate Pressure-

Pressure=(([R]*Temperature)/(Molar Volume-Redlich–Kwong parameter b))-(Redlich–Kwong Parameter a)/(sqrt(Temperature)*Molar Volume*(Molar Volume+Redlich–Kwong parameter b))
Pressure=((((2^(1/3))-1)^(7/3)*([R]^(1/3))*(Redlich–Kwong Parameter a^(2/3)))/((3^(1/3))*(Redlich–Kwong parameter b^(5/3))))*Reduced Pressure
Pressure=Critical Pressure*(((3*Reduced Temperature)/(Reduced Molar Volume-0.26))-(1/(0.26*sqrt(Temperature)*Reduced Molar Volume*(Reduced Molar Volume+0.26))))

Can the Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' be negative?

Yes, the Actual Pressure of Real Gas using Redlich Kwong Equation given 'b', measured in Pressure can be negative.

Which unit is used to measure Actual Pressure of Real Gas using Redlich Kwong Equation given 'b'?

Actual Pressure of Real Gas using Redlich Kwong Equation given '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 Actual Pressure of Real Gas using Redlich Kwong Equation given 'b' can be measured.

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