a. Write equations for the oxidation and reduction half-reactions.
b. which half-reaction occurs in the anode compartment and which half-reaction occurs in the cathode compartment
c. Complete the following sentences: Electrons in the external circuit flow from the ___ electrode to the ___ electrode. Negative ions move in the salt bridge from the ___ half-cell to the ___ half-cell. The half-reaction at the anode is ___ and that at the cathode is ___.