Interactive Resource icon  The Nernst Equation

 
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Description: Consider a metal (Me) in an aqueous solution that contains Men+ ions. This animation demonstartes, that in an equilibrium situation the dissolution rate of the metal equals the deposition rate of the metal. The potential of the electrode is then given by the Nernst equation. The Nernst equation is very important in electrochemistry as it relates the cell potential E to the standard potential E0 and activity/concentration of the electro-active ion.
Keywords: Nernst equation • electrode • dissolution rate • concentration
Categories: Science approaches > Corrosion & degradation
Science approaches > Corrosion & degradation > Corrosion principles
Materials > Metals & alloys > Aluminium & alloys
Created by: MATTER, The University of Liverpool
Steven Meijers, Corus
Carlos Caicedo-Martinez, Corus
Contributions: Andreas Blistein, Alcan
Herman Terryn, Vrije Universiteit Brussel (VUB)
Iris De Graeve, Vrije Universiteit Brussel (VUB)
Marc Ryckeboer, Sapa
Published by: European Aluminium Association, Brussels
License: This resource is released under the Creative Commons Attribution Non-Commercial No Derivatives license (2.0 UK: England & Wales).
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Date created: 05 January 2005
Date added: 06 July 2010
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Resource ID: 2849