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Total Pressure using Henry Law in VLE Formula

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Total pressure of Gas is the sum of all the forces that the gas molecules exert on the walls of their container. Check FAQs

P T = \frac{x Liquid \cdot K H}{y Gas}

P_T - Total Pressure of Gas?x_Liquid - Mole Fraction of Component in Liquid Phase?K_H - Henry Law Constant?y_Gas - Mole Fraction of Component in Vapor Phase?

Total Pressure using Henry Law in VLE Example

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Here is how the Total Pressure using Henry Law in VLE equation looks like with Values.

Here is how the Total Pressure using Henry Law in VLE equation looks like with Units.

Here is how the Total Pressure using Henry Law in VLE equation looks like.

340000 = \frac{0.51 \cdot 200000}{0.3}

340000Pa = \frac{0.51 \cdot 200000Pa/mol/m³}{0.3}

340000 = \frac{0.51 \cdot 200000}{0.3}

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Total Pressure using Henry Law in VLE Solution

Follow our step by step solution on how to calculate Total Pressure using Henry Law in VLE?

FIRST Step Consider the formula

P T = \frac{x Liquid \cdot K H}{y Gas}

Next Step Substitute values of Variables

∴

P T = \frac{0.51 \cdot 200000Pa/mol/m³}{0.3}

Next Step Prepare to Evaluate

∴

P T = \frac{0.51 \cdot 200000}{0.3}

LAST Step Evaluate

∴

P T = 340000Pa

Total Pressure using Henry Law in VLE Formula Elements

Variables

Total Pressure of Gas

Total pressure of Gas is the sum of all the forces that the gas molecules exert on the walls of their container.

Symbol: P_T

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Total Pressure of Gas

Mole Fraction of Component in Liquid Phase

The Mole Fraction of Component in Liquid Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the liquid phase.

Symbol: x_Liquid

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Mole Fraction of Component in Liquid Phase

Henry Law Constant

Henry Law Constant is a measure of the concentration of a chemical in air over its concentration in water.

Symbol: K_H

Measurement: Henry's Law Volatility ConstantUnit: Pa/mol/m³

Note: Value can be positive or negative.

Formulas to find Henry Law Constant

Mole Fraction of Component in Vapor Phase

The Mole Fraction of Component in Vapor Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the vapor phase.

Symbol: y_Gas

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Mole Fraction of Component in Vapor Phase

Other formulas in Raoult’s Law, Modified Raoult’s Law, and Henry’s Law in VLE category

Go Henry Law Constant using Henry Law in VLE

K H = \frac{y Gas \cdot P T}{x Liquid}

Go Liquid Phase Mole Fraction using Henry Law in VLE

x Liquid = \frac{y Gas \cdot P T}{K H}

Go Vapour Phase Mole Fraction using Henry Law in VLE

y Gas = \frac{x Liquid \cdot K H}{P T}

How to Evaluate Total Pressure using Henry Law in VLE?

Total Pressure using Henry Law in VLE evaluator uses Total Pressure of Gas = (Mole Fraction of Component in Liquid Phase*Henry Law Constant)/Mole Fraction of Component in Vapor Phase to evaluate the Total Pressure of Gas, The Total Pressure using Henry Law in VLE formula is defined as the ratio of the product of the liquid phase mole fraction and the henry law constant to the vapour phase mole fraction of mixture or solution. Total Pressure of Gas is denoted by P_T symbol.

How to evaluate Total Pressure using Henry Law in VLE using this online evaluator? To use this online evaluator for Total Pressure using Henry Law in VLE, enter Mole Fraction of Component in Liquid Phase (x_Liquid), Henry Law Constant (K_H) & Mole Fraction of Component in Vapor Phase (y_Gas) and hit the calculate button.

FAQs on Total Pressure using Henry Law in VLE

What is the formula to find Total Pressure using Henry Law in VLE?

The formula of Total Pressure using Henry Law in VLE is expressed as Total Pressure of Gas = (Mole Fraction of Component in Liquid Phase*Henry Law Constant)/Mole Fraction of Component in Vapor Phase. Here is an example- 340000 = (0.51*200000)/0.3.

How to calculate Total Pressure using Henry Law in VLE?

With Mole Fraction of Component in Liquid Phase (x_Liquid), Henry Law Constant (K_H) & Mole Fraction of Component in Vapor Phase (y_Gas) we can find Total Pressure using Henry Law in VLE using the formula - Total Pressure of Gas = (Mole Fraction of Component in Liquid Phase*Henry Law Constant)/Mole Fraction of Component in Vapor Phase.

Can the Total Pressure using Henry Law in VLE be negative?

Yes, the Total Pressure using Henry Law in VLE, measured in Pressure can be negative.

Which unit is used to measure Total Pressure using Henry Law in VLE?

Total Pressure using Henry Law in VLE 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 Total Pressure using Henry Law in VLE can be measured.

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