Chapter 120 of 2363 min read
Electrochemical cells and Nernst equation
Why this is asked: At equilibrium, E(cell) = 0, not E°(cell) = 0 — that's the condition linking E°(cell) to K through 0 = E° − (0.0591/n)log K. In the standard cell notation, oxidation (anode) is written on the left and reduction (cathode) on the right — reverse that and every EMF you calculate flips sign.
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