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What is the sign of `DeltaG^(Theta)` and the values of `K` for an electrochemical cell for which `E^(Theta)underset(cell)` = 0.80volt`?A. `{:(DeltaG^(Theta),K),(-,gt1):}`B. `{:(DeltaG^(Theta),K),(+,gt1):}`C. `{:(DeltaG^(Theta),K),(+,lt1):}`D. `{:(DeltaG^(Theta),K),(-,lt1):}` |
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Answer» We know that `DeltaG^(Theta) =- nFE^(Theta)` When `E^(Theta) = 0.80` Then `DeltaG^(Theta) =- ve` and `K = antilog ((-(DeltaG^(@)))/(-2.303RT)) = antilog (+ve)` `:. K gt 1` |
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