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Vapour Pressure P2 at Temperature T2 Formula

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Vapour Pressure of Component A is defined as the pressure exerted by A's vapour in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system. Check FAQs

P A = \frac{PB}{\exp ((\frac{ΔH v}{[R]}) \cdot ((\frac{1}{T 2}) - (\frac{1}{T abs})))}

P_A - Vapour Pressure of Component A?PB - Vapor Pressure of component B?ΔH_v - Molal Heat of Vaporization?T₂ - Absolute temperature 2?T_abs - Absolute Temperature?[R] - Universal gas constant?

Vapour Pressure P2 at Temperature T2 Example

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Here is how the Vapour Pressure P2 at Temperature T2 equation looks like with Values.

Here is how the Vapour Pressure P2 at Temperature T2 equation looks like with Units.

Here is how the Vapour Pressure P2 at Temperature T2 equation looks like.

0.1778 = \frac{0.1}{\exp ((\frac{11}{8.3145}) \cdot ((\frac{1}{310}) - (\frac{1}{273.15})))}

0.1778Pa = \frac{0.1Pa}{\exp ((\frac{11KJ/mol}{8.3145}) \cdot ((\frac{1}{310K}) - (\frac{1}{273.15K})))}

0.1778 = \frac{0.1}{\exp ((\frac{11}{8.3145}) \cdot ((\frac{1}{310}) - (\frac{1}{273.15})))}

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Vapour Pressure P2 at Temperature T2 Solution

Follow our step by step solution on how to calculate Vapour Pressure P2 at Temperature T2?

FIRST Step Consider the formula

P A = \frac{PB}{\exp ((\frac{ΔH v}{[R]}) \cdot ((\frac{1}{T 2}) - (\frac{1}{T abs})))}

Next Step Substitute values of Variables

∴

P A = \frac{0.1Pa}{\exp ((\frac{11KJ/mol}{[R]}) \cdot ((\frac{1}{310K}) - (\frac{1}{273.15K})))}

Next Step Substitute values of Constants

∴

P A = \frac{0.1Pa}{\exp ((\frac{11KJ/mol}{8.3145}) \cdot ((\frac{1}{310K}) - (\frac{1}{273.15K})))}

Next Step Convert Units

∴

P A = \frac{0.1Pa}{\exp ((\frac{11000J/mol}{8.3145}) \cdot ((\frac{1}{310K}) - (\frac{1}{273.15K})))}

Next Step Prepare to Evaluate

∴

P A = \frac{0.1}{\exp ((\frac{11000}{8.3145}) \cdot ((\frac{1}{310}) - (\frac{1}{273.15})))}

Next Step Evaluate

∴

P A = 0.177846186353519Pa

LAST Step Rounding Answer

∴

P A = 0.1778Pa

Vapour Pressure P2 at Temperature T2 Formula Elements

Variables

Constants

Functions

Vapour Pressure of Component A

Vapour Pressure of Component A is defined as the pressure exerted by A's vapour in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.

Symbol: P_A

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Vapour Pressure of Component A

Vapor Pressure of component B

Vapor pressure of component B is defined as the pressure exerted by B's vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.

Symbol: PB

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Vapor Pressure of component B

Molal Heat of Vaporization

Molal Heat of Vaporization is the energy needed to vaporize one mole of a liquid.

Symbol: ΔH_v

Measurement: Energy Per MoleUnit: KJ/mol

Note: Value can be positive or negative.

Formulas to find Molal Heat of Vaporization

Absolute temperature 2

Absolute temperature 2 is the temperature of an object on a scale where 0 is taken as absolute zero.

Symbol: T₂

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Absolute temperature 2

Absolute Temperature

Absolute Temperature is defined as the measurement of temperature beginning at absolute zero on the Kelvin scale.

Symbol: T_abs

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Absolute Temperature

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

exp

n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable.

Syntax: exp(Number)

Other formulas in Vapour Pressure category

Go Vapor Pressure of Pure Liquid A in Raoult's Law

PA o = \frac{p partial}{x A}

Go Vapour Pressure P1 at Temperature T1

PB = P A \cdot \exp (- (\frac{ΔH v}{[R]}) \cdot ((\frac{1}{T abs}) - (\frac{1}{T 2})))

How to Evaluate Vapour Pressure P2 at Temperature T2?

Vapour Pressure P2 at Temperature T2 evaluator uses Vapour Pressure of Component A = Vapor Pressure of component B/exp((Molal Heat of Vaporization/[R])*((1/Absolute temperature 2)-(1/Absolute Temperature))) to evaluate the Vapour Pressure of Component A, The Vapour Pressure P2 at Temperature T2 is that pressure exerted by a liquid or solid molecules of only A in a closed system at which they are in equilibrium with the vapor phase. Vapour Pressure of Component A is denoted by P_A symbol.

How to evaluate Vapour Pressure P2 at Temperature T2 using this online evaluator? To use this online evaluator for Vapour Pressure P2 at Temperature T2, enter Vapor Pressure of component B (PB), Molal Heat of Vaporization (ΔH_v), Absolute temperature 2 (T₂) & Absolute Temperature (T_abs) and hit the calculate button.

FAQs on Vapour Pressure P2 at Temperature T2

What is the formula to find Vapour Pressure P2 at Temperature T2?

The formula of Vapour Pressure P2 at Temperature T2 is expressed as Vapour Pressure of Component A = Vapor Pressure of component B/exp((Molal Heat of Vaporization/[R])*((1/Absolute temperature 2)-(1/Absolute Temperature))). Here is an example- 0.177846 = 0.1/exp((11000/[R])*((1/310)-(1/273.15))).

How to calculate Vapour Pressure P2 at Temperature T2?

With Vapor Pressure of component B (PB), Molal Heat of Vaporization (ΔH_v), Absolute temperature 2 (T₂) & Absolute Temperature (T_abs) we can find Vapour Pressure P2 at Temperature T2 using the formula - Vapour Pressure of Component A = Vapor Pressure of component B/exp((Molal Heat of Vaporization/[R])*((1/Absolute temperature 2)-(1/Absolute Temperature))). This formula also uses Universal gas constant and Exponential Growth (exp) function(s).

Can the Vapour Pressure P2 at Temperature T2 be negative?

Yes, the Vapour Pressure P2 at Temperature T2, measured in Pressure can be negative.

Which unit is used to measure Vapour Pressure P2 at Temperature T2?

Vapour Pressure P2 at Temperature T2 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 Vapour Pressure P2 at Temperature T2 can be measured.

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Vapour Pressure P2 at Temperature T2 Formula

Vapour Pressure P2 at Temperature T2 Example

Vapour Pressure P2 at Temperature T2 Solution

Vapour Pressure P2 at Temperature T2 Formula Elements

Other formulas in Vapour Pressure category

How to Evaluate Vapour Pressure P2 at Temperature T2?

FAQs on Vapour Pressure P2 at Temperature T2

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