Moles of Electron Transferred given Change in Gibbs Free Energy Solution

STEP 0: Pre-Calculation Summary
Formula Used
Moles of Electron Transferred = (-Gibbs Free Energy)/([Faraday]*Cell Potential)
n = (-G)/([Faraday]*Ecell)
This formula uses 1 Constants, 3 Variables
Constants Used
[Faraday] - Faraday constant Value Taken As 96485.33212 Coulomb / Mole
Variables Used
Moles of Electron Transferred - The Moles of Electron Transferred is the amount of electrons taking part in the cell reaction.
Gibbs Free Energy - (Measured in Joule) - 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.
Cell Potential - (Measured in Volt) - The Cell Potential is the difference between the electrode potential of two electrodes constituting the electrochemical cell.
STEP 1: Convert Input(s) to Base Unit
Gibbs Free Energy: 228.61 Joule --> 228.61 Joule No Conversion Required
Cell Potential: 45 Volt --> 45 Volt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
n = (-G)/([Faraday]*Ecell) --> (-228.61)/([Faraday]*45)
Evaluating ... ...
n = -5.26527930266529E-05
STEP 3: Convert Result to Output's Unit
-5.26527930266529E-05 --> No Conversion Required
FINAL ANSWER
-5.26527930266529E-05 <-- Moles of Electron Transferred
(Calculation completed in 00.012 seconds)

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K J Somaiya College of science (K J Somaiya), Mumbai
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Moles of Electron Transferred given Change in Gibbs Free Energy Formula

Moles of Electron Transferred = (-Gibbs Free Energy)/([Faraday]*Cell Potential)
n = (-G)/([Faraday]*Ecell)

What is the Relationship between Cell Potential & Free Energy?

Electrochemical cells convert chemical energy to electrical energy and vice versa. The total amount of energy produced by an electrochemical cell, and thus the amount of energy available to do electrical work, depends on both the cell potential and the total number of electrons that are transferred from the reductant to the oxidant during the course of a reaction. The resulting electric current is measured in coulombs (C), an SI unit that measures the number of electrons passing a given point in 1 s. A coulomb relates energy (in joules) to electrical potential (in volts). Electric current is measured in amperes (A); 1 A is defined as the flow of 1 C/s past a given point (1 C = 1 A·s).

How to Calculate Moles of Electron Transferred given Change in Gibbs Free Energy?

Moles of Electron Transferred given Change in Gibbs Free Energy calculator uses Moles of Electron Transferred = (-Gibbs Free Energy)/([Faraday]*Cell Potential) to calculate the Moles of Electron Transferred, The Moles of electron transferred given change in Gibbs free energy formula is defined as the ratio of negative change in Gibbs energy to the cell potential and faraday constant. Moles of Electron Transferred is denoted by n symbol.

How to calculate Moles of Electron Transferred given Change in Gibbs Free Energy using this online calculator? To use this online calculator for Moles of Electron Transferred given Change in Gibbs Free Energy, enter Gibbs Free Energy (G) & Cell Potential (Ecell) and hit the calculate button. Here is how the Moles of Electron Transferred given Change in Gibbs Free Energy calculation can be explained with given input values -> -5.3E-5 = (-228.61)/([Faraday]*45).

FAQ

What is Moles of Electron Transferred given Change in Gibbs Free Energy?
The Moles of electron transferred given change in Gibbs free energy formula is defined as the ratio of negative change in Gibbs energy to the cell potential and faraday constant and is represented as n = (-G)/([Faraday]*Ecell) or Moles of Electron Transferred = (-Gibbs Free Energy)/([Faraday]*Cell Potential). 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 & The Cell Potential is the difference between the electrode potential of two electrodes constituting the electrochemical cell.
How to calculate Moles of Electron Transferred given Change in Gibbs Free Energy?
The Moles of electron transferred given change in Gibbs free energy formula is defined as the ratio of negative change in Gibbs energy to the cell potential and faraday constant is calculated using Moles of Electron Transferred = (-Gibbs Free Energy)/([Faraday]*Cell Potential). To calculate Moles of Electron Transferred given Change in Gibbs Free Energy, you need Gibbs Free Energy (G) & Cell Potential (Ecell). With our tool, you need to enter the respective value for Gibbs Free Energy & Cell Potential and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Moles of Electron Transferred?
In this formula, Moles of Electron Transferred uses Gibbs Free Energy & Cell Potential. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Moles of Electron Transferred = -(Standard Gibbs Free Energy)/([Faraday]*Standard Cell Potential)
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