An electrochemical cell was set up at 298K. One half-cell has a solid platinum electrode in a solution of Fe2+ and Fe3+. The other half-cell has a solid nickel (Ni) electrode in a solution of Ni2+. These half-cells are connected by a salt bridge. a) What is the overall reaction in this electrochemical cell? (show all steps w/the two half reaction and which is oxidation and which is reaction and balancing and then overall reaction balancing) b) Which electrode is the cathode in this cell? c) What is the standard free energy (delta G) for the electrochemical reaction in this cell?

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