Standard Cell Potential given Standard Change in Gibbs Free Energy Formula

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The Standard cell potential is defined as The value of the standard emf of a cell in which molecular hydrogen under standard pressure is oxidized to solvated protons at the left-hand electrode. Check FAQs
Eocell=-ΔG°n[Faraday]
Eocell - Standard Cell Potential?ΔG° - Standard Gibbs Free Energy?n - Moles of Electron Transferred?[Faraday] - Faraday constant?

Standard Cell Potential given Standard Change in Gibbs Free Energy Example

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

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

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

1.9977Edit=--771Edit4Edit96485.3321
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Standard Cell Potential given Standard Change in Gibbs Free Energy Solution

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

FIRST Step Consider the formula
Eocell=-ΔG°n[Faraday]
Next Step Substitute values of Variables
Eocell=--771KJ4[Faraday]
Next Step Substitute values of Constants
Eocell=--771KJ496485.3321
Next Step Convert Units
Eocell=--771000J496485.3321
Next Step Prepare to Evaluate
Eocell=--771000496485.3321
Next Step Evaluate
Eocell=1.99771297631307V
LAST Step Rounding Answer
Eocell=1.9977V

Standard Cell Potential given Standard Change in Gibbs Free Energy Formula Elements

Variables
Constants
Standard Cell Potential
The Standard cell potential is defined as The value of the standard emf of a cell in which molecular hydrogen under standard pressure is oxidized to solvated protons at the left-hand electrode.
Symbol: Eocell
Measurement: Electric PotentialUnit: V
Note: Value can be positive or negative.
Standard Gibbs Free Energy
The Standard Gibbs Free Energy is a standard thermodynamic potential that can be used to calculate the maximum of reversible work performed by a standard system at constant temperature and pressure.
Symbol: ΔG°
Measurement: EnergyUnit: KJ
Note: Value can be positive or negative.
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.
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 Important Formulas of Gibbs Free Energy and Entropy and Helmholtz Free Energy and Entropy category

​Go Change in Gibbs Free Energy given Cell Potential
G=(-n[Faraday]Ecell)
​Go Moles of Electron Transferred given Change in Gibbs Free Energy
n=-G[Faraday]Ecell
​Go Standard Change in Gibbs Free Energy given Standard Cell Potential
ΔG°=-(n)[Faraday]Eocell
​Go Moles of Electron Transferred given Standard Change in Gibbs Free Energy
n=-ΔG°[Faraday]Eocell

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

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

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

FAQs on Standard Cell Potential given Standard Change in Gibbs Free Energy

What is the formula to find Standard Cell Potential given Standard Change in Gibbs Free Energy?
The formula of Standard Cell Potential given Standard Change in Gibbs Free Energy is expressed as Standard Cell Potential = -(Standard Gibbs Free Energy)/(Moles of Electron Transferred*[Faraday]). Here is an example- -0.000155 = -((-771000))/(4*[Faraday]).
How to calculate Standard Cell Potential given Standard Change in Gibbs Free Energy?
With Standard Gibbs Free Energy (ΔG°) & Moles of Electron Transferred (n) we can find Standard Cell Potential given Standard Change in Gibbs Free Energy using the formula - Standard Cell Potential = -(Standard Gibbs Free Energy)/(Moles of Electron Transferred*[Faraday]). This formula also uses Faraday constant .
Can the Standard Cell Potential given Standard Change in Gibbs Free Energy be negative?
Yes, the Standard Cell Potential given Standard Change in Gibbs Free Energy, measured in Electric Potential can be negative.
Which unit is used to measure Standard Cell Potential given Standard Change in Gibbs Free Energy?
Standard Cell Potential given Standard 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 Standard Cell Potential given Standard Change in Gibbs Free Energy can be measured.
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