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Gibbs Free Energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure. Check FAQs
G=(-n[Faraday]Ecell)
G - Gibbs Free Energy?n - Moles of Electron Transferred?Ecell - Cell Potential?[Faraday] - Faraday constant?

Change in Gibbs Free Energy given Cell Potential Example

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

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

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

-17367359.7816Edit=(-4Edit96485.332145Edit)
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Change in Gibbs Free Energy given Cell Potential Solution

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

FIRST Step Consider the formula
G=(-n[Faraday]Ecell)
Next Step Substitute values of Variables
G=(-4[Faraday]45V)
Next Step Substitute values of Constants
G=(-496485.332145V)
Next Step Prepare to Evaluate
G=(-496485.332145)
LAST Step Evaluate
G=-17367359.7816J

Change in Gibbs Free Energy given Cell Potential Formula Elements

Variables
Constants
Gibbs Free Energy
Gibbs Free Energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure.
Symbol: G
Measurement: EnergyUnit: J
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.
Cell Potential
The Cell Potential is the difference between the electrode potential of two electrodes constituting the electrochemical cell.
Symbol: Ecell
Measurement: Electric PotentialUnit: V
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 to find Gibbs Free Energy

​Go Change in Gibbs Free Energy given Electrochemical Work
G=-(w)

Other formulas in Gibbs Free Energy and Gibbs Free Entropy category

​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
​Go Standard Cell Potential given Standard Change in Gibbs Free Energy
Eocell=-ΔG°n[Faraday]

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

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

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

FAQs on Change in Gibbs Free Energy given Cell Potential

What is the formula to find Change in Gibbs Free Energy given Cell Potential?
The formula of Change in Gibbs Free Energy given Cell Potential is expressed as Gibbs Free Energy = (-Moles of Electron Transferred*[Faraday]*Cell Potential). Here is an example- -17367359.7816 = (-4*[Faraday]*45).
How to calculate Change in Gibbs Free Energy given Cell Potential?
With Moles of Electron Transferred (n) & Cell Potential (Ecell) we can find Change in Gibbs Free Energy given Cell Potential using the formula - Gibbs Free Energy = (-Moles of Electron Transferred*[Faraday]*Cell Potential). This formula also uses Faraday constant .
What are the other ways to Calculate Gibbs Free Energy?
Here are the different ways to Calculate Gibbs Free Energy-
  • Gibbs Free Energy=-(Work Done)OpenImg
Can the Change in Gibbs Free Energy given Cell Potential be negative?
Yes, the Change in Gibbs Free Energy given Cell Potential, measured in Energy can be negative.
Which unit is used to measure Change in Gibbs Free Energy given Cell Potential?
Change in Gibbs Free Energy given Cell Potential is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Change in Gibbs Free Energy given Cell Potential can be measured.
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