Chemistry / Chem 2190 · Atom · ~20 seconds
E°cell, ΔG°, and K as One Fact
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E°cell, ΔG°, and K describe one reaction's spontaneity from three connected angles; any one determines the other two through ΔG° = −nFE°cell and ΔG° = −RT ln K.
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A large positive E°cell implies a large negative ΔG°, which implies a large K favoring products.
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Treating these as three facts to memorize, not one relationship viewed three ways, misses the point.