Total Pressure using Modified Raoult's 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
PT=xLiquidγRaoultsPsat yGas
PT - Total Pressure of Gas?xLiquid - Mole Fraction of Component in Liquid Phase?γRaoults - Activity Coefficient in Raoults Law?Psat - Saturated pressure?yGas - Mole Fraction of Component in Vapor Phase?

Total Pressure using Modified Raoult's Law in VLE Example

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Here is how the Total Pressure using Modified Raoult's Law in VLE equation looks like with Values.

Here is how the Total Pressure using Modified Raoult's Law in VLE equation looks like with Units.

Here is how the Total Pressure using Modified Raoult's Law in VLE equation looks like.

76500Edit=0.51Edit0.9Edit50000Edit0.3Edit
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Total Pressure using Modified Raoult's Law in VLE Solution

Follow our step by step solution on how to calculate Total Pressure using Modified Raoult's Law in VLE?

FIRST Step Consider the formula
PT=xLiquidγRaoultsPsat yGas
Next Step Substitute values of Variables
PT=0.510.950000Pa0.3
Next Step Prepare to Evaluate
PT=0.510.9500000.3
LAST Step Evaluate
PT=76500Pa

Total Pressure using Modified Raoult's 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: PT
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
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: xLiquid
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Activity Coefficient in Raoults Law
Activity Coefficient in Raoults Law is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances.
Symbol: γRaoults
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Saturated pressure
Saturated pressure is the pressure at which a given liquid and its vapour or a given solid and its vapour can co-exist in equilibrium, at a given temperature.
Symbol: Psat
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
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: yGas
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.

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

​Go Activity Coefficient using Modified Raoult's Law in VLE
γRaoults=yGasPTxLiquidPsat
​Go Liquid Phase Mole Fraction using Modified Raoult's Law in VLE
xLiquid=yGasPTγRaoultsPsat
​Go Saturated Pressure using Modified Raoult's Law in VLE
Psat =yGasPTxLiquidγRaoults
​Go Vapour Phase Mole Fraction using Modified Raoult's Law in VLE
yGas=xLiquidγRaoultsPsat PT

How to Evaluate Total Pressure using Modified Raoult's Law in VLE?

Total Pressure using Modified Raoult's Law in VLE evaluator uses Total Pressure of Gas = (Mole Fraction of Component in Liquid Phase*Activity Coefficient in Raoults Law*Saturated pressure)/Mole Fraction of Component in Vapor Phase to evaluate the Total Pressure of Gas, The Total Pressure using Modified Raoult's Law in VLE formula is defined as the ratio of the product of the liquid phase mole fraction, activity coefficient and the saturated pressure to the vapour phase mole fraction of mixture or solution. Total Pressure of Gas is denoted by PT symbol.

How to evaluate Total Pressure using Modified Raoult's Law in VLE using this online evaluator? To use this online evaluator for Total Pressure using Modified Raoult's Law in VLE, enter Mole Fraction of Component in Liquid Phase (xLiquid), Activity Coefficient in Raoults Law Raoults), Saturated pressure (Psat ) & Mole Fraction of Component in Vapor Phase (yGas) and hit the calculate button.

FAQs on Total Pressure using Modified Raoult's Law in VLE

What is the formula to find Total Pressure using Modified Raoult's Law in VLE?
The formula of Total Pressure using Modified Raoult's Law in VLE is expressed as Total Pressure of Gas = (Mole Fraction of Component in Liquid Phase*Activity Coefficient in Raoults Law*Saturated pressure)/Mole Fraction of Component in Vapor Phase. Here is an example- 76500 = (0.51*0.9*50000)/0.3.
How to calculate Total Pressure using Modified Raoult's Law in VLE?
With Mole Fraction of Component in Liquid Phase (xLiquid), Activity Coefficient in Raoults Law Raoults), Saturated pressure (Psat ) & Mole Fraction of Component in Vapor Phase (yGas) we can find Total Pressure using Modified Raoult's Law in VLE using the formula - Total Pressure of Gas = (Mole Fraction of Component in Liquid Phase*Activity Coefficient in Raoults Law*Saturated pressure)/Mole Fraction of Component in Vapor Phase.
Can the Total Pressure using Modified Raoult's Law in VLE be negative?
Yes, the Total Pressure using Modified Raoult's Law in VLE, measured in Pressure can be negative.
Which unit is used to measure Total Pressure using Modified Raoult's Law in VLE?
Total Pressure using Modified Raoult's 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 Modified Raoult's Law in VLE can be measured.
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