UNIT 17 OXIDATION, REDUCTION & ELECTROCHEMISTRY / 17.3 ELECTROCHEMISTRY 17.3 Assignment
Design an Electrochemical Cell ____ wi
re volts A B ____
ions in Compartment A
solution
Compartment B ___
ions in
solutio
n Design a voltaic cell using magnesium as one of the electrodes. Magnesium can be
represented as either Metal A or Metal B in the above drawing. Use metal chlorides as the
solutions in the two chambers. For example, magnesium chloride, (MgCl 2) will be in solution in
the chamber with the magnesium electrode. Use NaNO 3 in the salt bridge.
Select another element for the other electrode. Explain why you selected this element. Include
information about the activity of the metal you select and the need for a spontaneous reaction.
Metal A:
Metal B:
In the drawing,
1. Label the oxidation compartment:
2. Label the reduction compartment.
3. Label the direction of the flow of electrons.
4. Label the flow of the magnesium ions.
5. Label the flow of your selected element’s ions.
6. What is leaving the salt bridge in the anode compartment?
7. What is leaving the salt bridge in the cathode compartment?
8. Write the oxidation and reduction half-reactions.
9. Calculate the chemical potential of your cell. Show all of your work. ©Michigan Virtual University Pa ge 1|1

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