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Mastering Redox Reactions: Calculating EMFs with Standard Electrode Potentials

Learn how to calculate EMFs for redox reactions and cells using standard electrode potentials. Explore an example reaction of copper with silver ions. Understand the Standard Hydrogen Electrode (S.H.E.) and its importance in determining reduction potentials.

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Mastering Redox Reactions: Calculating EMFs with Standard Electrode Potentials

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  1. CALCULATING EMFs FOR REDOX REACTIONS AND CELLS Just as half reactions can be added to form complete redox reactions, so too standard electrode potentials can be combined to calculate EMFs of complete reactions. As an illustration, let us calculate the EMF of the reaction of copper with silver ions:

  2. table clippings

  3. table clippings

  4. The Standard Hydrogen Electrode ( S.H.E.)

  5. The S.H.E. is used to find the standard reduction potential for all other half cells move to read V +2.37V

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