20. Electrochemistry
Cell Potential: ∆G and K
Problem 162
Textbook Question
Textbook QuestionThe half-reactions that occur in ordinary alkaline batteries can be written as
In 1999, researchers in Israel reported a new type of alkaline battery, called a 'super-iron' battery. This battery uses the same anode reaction as an ordinary alkaline battery but involves the reduction of FeO42- ion (from K2FeO4) to solid Fe(OH)3 at the cathode.
(a) Use the following standard reduction potential and any data from Appendixes C and D to calculate the stan-dard cell potential expected for an ordinary alkaline battery:
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