Question
It was known that altering the solution concentration of pure metal will change the cell potential and, in some cases, the spontaneous reaction direction may
It was known that altering the solution concentration of pure metal will change the cell potential and, in some cases, the spontaneous reaction direction may be reversed. As a corrosion engineer for the material selection process, you are asked to construct a Zn/Zn2+ cell in which both electrodes are pure zinc which has a standard reduction potential of -0.763 V. One of the electrodes is immersed in 1M solution while the other one is in 0.01M solution.
(i) Determine the potential generated at each electrode using the Nernst equation.
(ii) Based on part (i), evaluate the potential of the cell generated and identify the oxidized electrode. Justify your answer in terms of the free energy (DG) of the reaction.
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