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Nernst equation
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Nernst equation

chemistry
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Quick Summary

The Nernst equation is a fundamental concept in electrochemistry that relates the electrode potential of a redox reaction to the concentrations of the reacting species. Developed by Walther Nernst, it allows for the calculation of the reversible electrode potential under non-standard conditions.12

The equation is expressed as:
(E = E^\circ - \frac{RT}{nF} \ln Q)

Where:
* (E) is the electrode potential
* (E^\circ) is the standard electrode potential
* (R) is the ideal gas constant
* (T) is the absolute temperature
* (n) is the number of electrons transferred in the redox reaction
* (F) is the Faraday constant
* (Q) is the reaction quotient, representing the ratio of product concentrations to reactant concentrations.1

This equation is crucial for understanding how changes in concentration affect the driving force of electrochemical reactions and is applied in various fields, including the study of nerve cell membranes.3

Summary created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
3 Britannica Sources
  1. electrochemical reaction - The Nernst equation
  2. nervous system - The neuronal membrane
  3. Walther Nernst

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