A standard electrochemical cell is made by dipping an iron electrode into a 1.0 M Fe2+ solution and a copper electrode into a 1.0 M Cu2+ solution.
a. What is the spontaneous chemical reaction, and what is the maximum potential produced by this cell?
b. What would be the effect on the potential of this cell if sodium carbonate were added to the Cu2+ half-cell and CuCO3 were precipitated? Why?
c. What would be the effect on the potential of the cell if the size of the iron electrode were halved?