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Relative Lowering of Vapour Pressure given Depression in Freezing Point Formula

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The Relative Lowering of Vapour Pressure is the lowering of vapour pressure of pure solvent on addition of solute. Check FAQs

RLVP = \frac{ΔH fusion \cdot ΔT f}{[R] \cdot T fp \cdot T fp}

RLVP - Relative Lowering of Vapour Pressure?ΔH_fusion - Molar Enthalpy of Fusion?ΔT_f - Depression in Freezing Point?T_fp - Solvent Freezing Point?[R] - Universal gas constant?

Relative Lowering of Vapour Pressure given Depression in Freezing Point Example

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Here is how the Relative Lowering of Vapour Pressure given Depression in Freezing Point equation looks like with Values.

Here is how the Relative Lowering of Vapour Pressure given Depression in Freezing Point equation looks like with Units.

Here is how the Relative Lowering of Vapour Pressure given Depression in Freezing Point equation looks like.

2.6032 = \frac{333.5 \cdot 12}{8.3145 \cdot 430 \cdot 430}

2.6032 = \frac{333.5kJ/mol \cdot 12K}{8.3145 \cdot 430K \cdot 430K}

2.6032 = \frac{333.5 \cdot 12}{8.3145 \cdot 430 \cdot 430}

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Depression in Freezing Point » fx Relative Lowering of Vapour Pressure given Depression in Freezing Point

Relative Lowering of Vapour Pressure given Depression in Freezing Point Solution

Follow our step by step solution on how to calculate Relative Lowering of Vapour Pressure given Depression in Freezing Point?

FIRST Step Consider the formula

RLVP = \frac{ΔH fusion \cdot ΔT f}{[R] \cdot T fp \cdot T fp}

Next Step Substitute values of Variables

∴

RLVP = \frac{333.5kJ/mol \cdot 12K}{[R] \cdot 430K \cdot 430K}

Next Step Substitute values of Constants

∴

RLVP = \frac{333.5kJ/mol \cdot 12K}{8.3145 \cdot 430K \cdot 430K}

Next Step Convert Units

∴

RLVP = \frac{333500J/mol \cdot 12K}{8.3145 \cdot 430K \cdot 430K}

Next Step Prepare to Evaluate

∴

RLVP = \frac{333500 \cdot 12}{8.3145 \cdot 430 \cdot 430}

Next Step Evaluate

∴

RLVP = 2.60319072407242

LAST Step Rounding Answer

∴

RLVP = 2.6032

Relative Lowering of Vapour Pressure given Depression in Freezing Point Formula Elements

Variables

Constants

Relative Lowering of Vapour Pressure

The Relative Lowering of Vapour Pressure is the lowering of vapour pressure of pure solvent on addition of solute.

Symbol: RLVP

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Relative Lowering of Vapour Pressure

Molar Enthalpy of Fusion

The Molar Enthalpy of Fusion is the amount of energy needed to change one mole of a substance from the solid phase to the liquid phase at constant temperature and pressure.

Symbol: ΔH_fusion

Measurement: Molar EnthalpyUnit: kJ/mol

Note: Value should be greater than 0.

Formulas to find Molar Enthalpy of Fusion

Depression in Freezing Point

The Depression in Freezing Point is the phenomena that describes why adding a solute to a solvent results in the lowering of the freezing point of the solvent.

Symbol: ΔT_f

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Depression in Freezing Point

Solvent Freezing Point

Solvent Freezing Point is the temperature at which the solvent freezes from liquid to solid state.

Symbol: T_fp

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Solvent Freezing Point

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 in Depression in Freezing Point category

Go Depression in Freezing Point of Solvent

ΔT f = k f \cdot m

Go Van't Hoff equation for Depression in Freezing Point of electrolyte

ΔT f = i \cdot k f \cdot m

Go Molality given Depression in Freezing Point

m = \frac{ΔT f}{k f \cdot i}

Go Cryoscopic Constant given Molar Enthalpy of Fusion

k f = \frac{[R] \cdot T fp \cdot T fp \cdot M solvent}{1000 \cdot ΔH fusion}

How to Evaluate Relative Lowering of Vapour Pressure given Depression in Freezing Point?

Relative Lowering of Vapour Pressure given Depression in Freezing Point evaluator uses Relative Lowering of Vapour Pressure = (Molar Enthalpy of Fusion*Depression in Freezing Point)/([R]*Solvent Freezing Point*Solvent Freezing Point) to evaluate the Relative Lowering of Vapour Pressure, The Relative Lowering of Vapour Pressure given Depression in Freezing Point is the relative measure of lowering of vapour pressure on addition of solute to solvent. Relative Lowering of Vapour Pressure is denoted by RLVP symbol.

How to evaluate Relative Lowering of Vapour Pressure given Depression in Freezing Point using this online evaluator? To use this online evaluator for Relative Lowering of Vapour Pressure given Depression in Freezing Point, enter Molar Enthalpy of Fusion (ΔH_fusion), Depression in Freezing Point (ΔT_f) & Solvent Freezing Point (T_fp) and hit the calculate button.

FAQs on Relative Lowering of Vapour Pressure given Depression in Freezing Point

What is the formula to find Relative Lowering of Vapour Pressure given Depression in Freezing Point?

The formula of Relative Lowering of Vapour Pressure given Depression in Freezing Point is expressed as Relative Lowering of Vapour Pressure = (Molar Enthalpy of Fusion*Depression in Freezing Point)/([R]*Solvent Freezing Point*Solvent Freezing Point). Here is an example- 2.603191 = (333500*12)/([R]*430*430).

How to calculate Relative Lowering of Vapour Pressure given Depression in Freezing Point?

With Molar Enthalpy of Fusion (ΔH_fusion), Depression in Freezing Point (ΔT_f) & Solvent Freezing Point (T_fp) we can find Relative Lowering of Vapour Pressure given Depression in Freezing Point using the formula - Relative Lowering of Vapour Pressure = (Molar Enthalpy of Fusion*Depression in Freezing Point)/([R]*Solvent Freezing Point*Solvent Freezing Point). This formula also uses Universal gas constant .

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Relative Lowering of Vapour Pressure given Depression in Freezing Point Formula

Relative Lowering of Vapour Pressure given Depression in Freezing Point Example

Relative Lowering of Vapour Pressure given Depression in Freezing Point Solution

Relative Lowering of Vapour Pressure given Depression in Freezing Point Formula Elements

Other formulas in Depression in Freezing Point category

How to Evaluate Relative Lowering of Vapour Pressure given Depression in Freezing Point?

FAQs on Relative Lowering of Vapour Pressure given Depression in Freezing Point

Variable Name