For a given galvanic cell, the standard cell potential can be calculated by subt

Question

For a given galvanic cell, the standard cell potential can be calculated by subtracting the standard half-cell potential of the reaction that occurs at the cathode from the standard half-cell potential of the reaction that occurs at the anode: Ecell=Ered(reduction process)Ered(oxidation process)

For a given galvanic cell, the standard cell potential can be calculated by subtracting the standard half-cell potential of the reaction that occurs at the cathode from the standard half-cell potential of the reaction that occurs at the anode:

Ecell=Ered(reduction process)Ered(oxidation process)

Part A

Calculate the standard cell potential given the following standard reduction potentials:

Al3++3eAl;E=1.66 V
Cu2++2eCu;E=0.340 V

Express your answer to two decimal places and include the appropriate units.

Explanation / Answer

E0cell = E0cathode   - E0anode

          = 0.34 - (-1.66) = 2 V

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