Understanding Electrode Potential Charts and Reactions in Electrochemistry

Dec 09, 2025

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In this guide, we explore the essential concepts of electrode potential charts, including how to interpret the flow of electrons in reactions. Key insights include the importance of identifying the half-cells that receive and supply electrons, as well as the proper notation for half-equations. We will also analyze specific half-reactions with standard electrode potentials to determine which species can react in electrochemical processes, grounded in standard conditions for electrode potentials.

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Understanding Electrode Potential Charts and Reactions in Electrochemistry

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Presentation Transcript

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1 One thing I have learned about electrode potential charts is...
2 When you write the equations in the electrode potential charts, the electrons go on the …..
3 When I explain if a reaction happens, I should include ...
4 The electrons in the external circuit flow from ….
5 The half cell which receives electrons is always …
6 The half-cell which supplies the electrons is always …
7 Sn2+ + 2e-  Sn -0.14V Fe3+ + e-  Fe2+ +0.77V Which two species would react?
8 When I combine these half equations, I get ... MnO4- + 5e- + 8H+  Mn2+ + 4H2O 2Br-  Br2 + 2e-
9 Standard conditions for electrode potentials are ….