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Cell Potential given Change in Gibbs Free Energy Formula

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The Cell Potential is the difference between the electrode potential of two electrodes constituting the electrochemical cell. Check FAQs

E cell = - \frac{ΔG}{n \cdot [Faraday]}

E_cell - Cell Potential?ΔG - Gibbs Free Energy Change?n - Moles of Electron Transferred?[Faraday] - Faraday constant?

Cell Potential given Change in Gibbs Free Energy Example

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Here is how the Cell Potential given Change in Gibbs Free Energy equation looks like with Values.

Here is how the Cell Potential given Change in Gibbs Free Energy equation looks like with Units.

Here is how the Cell Potential given Change in Gibbs Free Energy equation looks like.

0.1814 = - \frac{-70}{4 \cdot 96485.3321}

0.1814V = - \frac{-70KJ}{4 \cdot 96485.3321}

0.1814 = - \frac{-70}{4 \cdot 96485.3321}

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Cell Potential given Change in Gibbs Free Energy Solution

Follow our step by step solution on how to calculate Cell Potential given Change in Gibbs Free Energy?

FIRST Step Consider the formula

E cell = - \frac{ΔG}{n \cdot [Faraday]}

Next Step Substitute values of Variables

∴

E cell = - \frac{-70KJ}{4 \cdot [Faraday]}

Next Step Substitute values of Constants

∴

E cell = - \frac{-70KJ}{4 \cdot 96485.3321}

Next Step Convert Units

∴

E cell = - \frac{-70000J}{4 \cdot 96485.3321}

Next Step Prepare to Evaluate

∴

E cell = - \frac{-70000}{4 \cdot 96485.3321}

Next Step Evaluate

∴

E cell = 0.18137471899081V

LAST Step Rounding Answer

∴

E cell = 0.1814V

Cell Potential given Change in Gibbs Free Energy Formula Elements

Variables

Constants

Cell Potential

The Cell Potential is the difference between the electrode potential of two electrodes constituting the electrochemical cell.

Symbol: E_cell

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Cell Potential

Gibbs Free Energy Change

The Gibbs Free Energy Change is a measure of the maximum amount of work that can be performed during a chemical process ( ΔG=wmax ).

Symbol: ΔG

Measurement: EnergyUnit: KJ

Note: Value can be positive or negative.

Formulas to find Gibbs Free Energy Change

Moles of Electron Transferred

The Moles of Electron Transferred is the amount of electrons taking part in the cell reaction.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Moles of Electron Transferred

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

Other formulas in Chemical Thermodynamics category

Go Classical Part of Gibbs Free Entropy given Electric Part

Ξ k = (Ξ entropy - Ξ e)

Go Classical Part of Helmholtz Free Entropy given Electric Part

Φ k = (Φ - Φ e)

Go Electrode Potential given Gibbs Free Energy

EP = - \frac{ΔG}{n electron \cdot [Faraday]}

Go Entropy given Internal Energy and Helmholtz Free Entropy

S = Φ + (\frac{U}{T})

How to Evaluate Cell Potential given Change in Gibbs Free Energy?

Cell Potential given Change in Gibbs Free Energy evaluator uses Cell Potential = -Gibbs Free Energy Change/(Moles of Electron Transferred*[Faraday]) to evaluate the Cell Potential, The Cell potential given change in Gibbs free energy formula is defined as the negative ratio of Gibbs change in energy to the total charge transferred during the reaction (nF). Cell Potential is denoted by E_cell symbol.

How to evaluate Cell Potential given Change in Gibbs Free Energy using this online evaluator? To use this online evaluator for Cell Potential given Change in Gibbs Free Energy, enter Gibbs Free Energy Change (ΔG) & Moles of Electron Transferred (n) and hit the calculate button.

FAQs on Cell Potential given Change in Gibbs Free Energy

What is the formula to find Cell Potential given Change in Gibbs Free Energy?

The formula of Cell Potential given Change in Gibbs Free Energy is expressed as Cell Potential = -Gibbs Free Energy Change/(Moles of Electron Transferred*[Faraday]). Here is an example- 0.181375 = -(-70000)/(4*[Faraday]).

How to calculate Cell Potential given Change in Gibbs Free Energy?

With Gibbs Free Energy Change (ΔG) & Moles of Electron Transferred (n) we can find Cell Potential given Change in Gibbs Free Energy using the formula - Cell Potential = -Gibbs Free Energy Change/(Moles of Electron Transferred*[Faraday]). This formula also uses Faraday constant .

Can the Cell Potential given Change in Gibbs Free Energy be negative?

Yes, the Cell Potential given Change in Gibbs Free Energy, measured in Electric Potential can be negative.

Which unit is used to measure Cell Potential given Change in Gibbs Free Energy?

Cell Potential given Change in Gibbs Free Energy is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Cell Potential given Change in Gibbs Free Energy can be measured.

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Cell Potential given Change in Gibbs Free Energy Formula

Cell Potential given Change in Gibbs Free Energy Example

Cell Potential given Change in Gibbs Free Energy Solution

Cell Potential given Change in Gibbs Free Energy Formula Elements

Other formulas in Chemical Thermodynamics category

How to Evaluate Cell Potential given Change in Gibbs Free Energy?

FAQs on Cell Potential given Change in Gibbs Free Energy

Variable Name