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EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Formula

GoEMF of Due Cell Formula

GoEMF of Concentration Cell without Transference given Activities Formula

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The EMF of Cell or electromotive force of a cell is the maximum potential difference between two electrodes of a cell. Check FAQs

EMF = 2 \cdot (\frac{[R] \cdot T}{[Faraday]}) \cdot (\ln (\frac{m 2 \cdot γ 2}{m 1 \cdot γ 1}))

EMF - EMF of Cell?T - Temperature?m₂ - Cathodic Electrolyte Molality?γ₂ - Cathodic Activity Coefficient?m₁ - Anodic Electrolyte Molality?γ₁ - Anodic Activity Coefficient?[R] - Universal gas constant?[Faraday] - Faraday constant?

EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Example

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Here is how the EMF of Concentration Cell without Transference given Molalities and Activity Coefficient equation looks like with Values.

Here is how the EMF of Concentration Cell without Transference given Molalities and Activity Coefficient equation looks like with Units.

Here is how the EMF of Concentration Cell without Transference given Molalities and Activity Coefficient equation looks like.

-0.0752 = 2 \cdot (\frac{8.3145 \cdot 85}{96485.3321}) \cdot (\ln (\frac{0.13 \cdot 0.1}{0.4 \cdot 5.5}))

-0.0752V = 2 \cdot (\frac{8.3145 \cdot 85K}{96485.3321}) \cdot (\ln (\frac{0.13mol/kg \cdot 0.1}{0.4mol/kg \cdot 5.5}))

-0.0752 = 2 \cdot (\frac{8.3145 \cdot 85}{96485.3321}) \cdot (\ln (\frac{0.13 \cdot 0.1}{0.4 \cdot 5.5}))

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EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Solution

Follow our step by step solution on how to calculate EMF of Concentration Cell without Transference given Molalities and Activity Coefficient?

FIRST Step Consider the formula

EMF = 2 \cdot (\frac{[R] \cdot T}{[Faraday]}) \cdot (\ln (\frac{m 2 \cdot γ 2}{m 1 \cdot γ 1}))

Next Step Substitute values of Variables

∴

EMF = 2 \cdot (\frac{[R] \cdot 85K}{[Faraday]}) \cdot (\ln (\frac{0.13mol/kg \cdot 0.1}{0.4mol/kg \cdot 5.5}))

Next Step Substitute values of Constants

∴

EMF = 2 \cdot (\frac{8.3145 \cdot 85K}{96485.3321}) \cdot (\ln (\frac{0.13mol/kg \cdot 0.1}{0.4mol/kg \cdot 5.5}))

Next Step Prepare to Evaluate

∴

EMF = 2 \cdot (\frac{8.3145 \cdot 85}{96485.3321}) \cdot (\ln (\frac{0.13 \cdot 0.1}{0.4 \cdot 5.5}))

Next Step Evaluate

∴

EMF = -0.075170269787457V

LAST Step Rounding Answer

∴

EMF = -0.0752V

EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Formula Elements

Variables

Constants

Functions

EMF of Cell

The EMF of Cell or electromotive force of a cell is the maximum potential difference between two electrodes of a cell.

Symbol: EMF

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find EMF of Cell

Temperature

Temperature is the degree or intensity of heat present in a substance or object.

Symbol: T

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature

Cathodic Electrolyte Molality

The Cathodic Electrolyte Molality is defined as the total number of moles of solute per kilogram of solvent present in the solution of the cathodic cell.

Symbol: m₂

Measurement: MolalityUnit: mol/kg

Note: Value can be positive or negative.

Formulas to find Cathodic Electrolyte Molality

Cathodic Activity Coefficient

The Cathodic Activity Coefficient is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances in the cathodic half cell.

Symbol: γ₂

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Cathodic Activity Coefficient

Anodic Electrolyte Molality

The Anodic Electrolyte Molality is defined as the total number of moles of solute per kilogram of solvent present in the solution of the anodic cell.

Symbol: m₁

Measurement: MolalityUnit: mol/kg

Note: Value can be positive or negative.

Formulas to find Anodic Electrolyte Molality

Anodic Activity Coefficient

The Anodic Activity Coefficient is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances in the anodic half cell.

Symbol: γ₁

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Anodic Activity Coefficient

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

Faraday constant

Faraday constant represents the charge of one mole of electrons and is used in electrochemistry to relate the amount of substance undergoing oxidation.

Symbol: [Faraday]

Value: 96485.33212

The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.

Syntax: ln(Number)

Other Formulas to find EMF of Cell

Go EMF of Due Cell

EMF = E cathode - E anode

Go EMF of Concentration Cell without Transference given Activities

EMF = (\frac{[R] \cdot T}{[Faraday]}) \cdot (\ln (\frac{a 2}{a 1}))

Go EMF of Concentration Cell without Transference given Concentration and Fugacity

EMF = 2 \cdot (\frac{[R] \cdot T}{[Faraday]}) \cdot \ln (\frac{c 2 \cdot f 2}{c 1 \cdot f 1})

Go EMF of Concentration Cell without Transference for Dilute Solution given Concentration

EMF = 2 \cdot (\frac{[R] \cdot T}{[Faraday]}) \cdot \ln ((\frac{c 2}{c 1}))

How to Evaluate EMF of Concentration Cell without Transference given Molalities and Activity Coefficient?

EMF of Concentration Cell without Transference given Molalities and Activity Coefficient evaluator uses EMF of Cell = 2*(([R]*Temperature)/[Faraday])*(ln((Cathodic Electrolyte Molality*Cathodic Activity Coefficient)/(Anodic Electrolyte Molality*Anodic Activity Coefficient))) to evaluate the EMF of Cell, The EMF of concentration cell without transference given molalities and activity coefficient formula is defined as relations with molality and activity coefficient of electrolyte present in cathode and anode half cell at a particular temperature. EMF of Cell is denoted by EMF symbol.

How to evaluate EMF of Concentration Cell without Transference given Molalities and Activity Coefficient using this online evaluator? To use this online evaluator for EMF of Concentration Cell without Transference given Molalities and Activity Coefficient, enter Temperature (T), Cathodic Electrolyte Molality (m₂), Cathodic Activity Coefficient (γ₂), Anodic Electrolyte Molality (m₁) & Anodic Activity Coefficient (γ₁) and hit the calculate button.

FAQs on EMF of Concentration Cell without Transference given Molalities and Activity Coefficient

What is the formula to find EMF of Concentration Cell without Transference given Molalities and Activity Coefficient?

The formula of EMF of Concentration Cell without Transference given Molalities and Activity Coefficient is expressed as EMF of Cell = 2*(([R]*Temperature)/[Faraday])*(ln((Cathodic Electrolyte Molality*Cathodic Activity Coefficient)/(Anodic Electrolyte Molality*Anodic Activity Coefficient))). Here is an example- -0.07517 = 2*(([R]*85)/[Faraday])*(ln((0.13*0.1)/(0.4*5.5))).

How to calculate EMF of Concentration Cell without Transference given Molalities and Activity Coefficient?

With Temperature (T), Cathodic Electrolyte Molality (m₂), Cathodic Activity Coefficient (γ₂), Anodic Electrolyte Molality (m₁) & Anodic Activity Coefficient (γ₁) we can find EMF of Concentration Cell without Transference given Molalities and Activity Coefficient using the formula - EMF of Cell = 2*(([R]*Temperature)/[Faraday])*(ln((Cathodic Electrolyte Molality*Cathodic Activity Coefficient)/(Anodic Electrolyte Molality*Anodic Activity Coefficient))). This formula also uses Universal gas constant, Faraday constant and Natural Logarithm (ln) function(s).

What are the other ways to Calculate EMF of Cell?

Here are the different ways to Calculate EMF of Cell-

EMF of Cell=Standard Reduction Potential of Cathode-Standard Oxidation Potential of Anode
EMF of Cell=(([R]*Temperature)/[Faraday])*(ln(Cathodic Ionic Activity/Anodic Ionic Activity))
EMF of Cell=2*(([R]*Temperature)/[Faraday])*ln((Cathodic Concentration*Cathodic Fugacity)/(Anodic Concentration*Anodic Fugacity))

Can the EMF of Concentration Cell without Transference given Molalities and Activity Coefficient be negative?

Yes, the EMF of Concentration Cell without Transference given Molalities and Activity Coefficient, measured in Electric Potential can be negative.

Which unit is used to measure EMF of Concentration Cell without Transference given Molalities and Activity Coefficient?

EMF of Concentration Cell without Transference given Molalities and Activity Coefficient is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which EMF of Concentration Cell without Transference given Molalities and Activity Coefficient can be measured.

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EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Formula

​GoEMF of Due Cell Formula

​GoEMF of Concentration Cell without Transference given Activities Formula

EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Example

EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Solution

EMF of Concentration Cell without Transference given Molalities and Activity Coefficient Formula Elements

Other Formulas to find EMF of Cell

How to Evaluate EMF of Concentration Cell without Transference given Molalities and Activity Coefficient?

FAQs on EMF of Concentration Cell without Transference given Molalities and Activity Coefficient

Variable Name

GoEMF of Due Cell Formula

GoEMF of Concentration Cell without Transference given Activities Formula