Be sure to answer all parts. Use the activity series to predict the half-reaction that occurs at the anode and the half-reaction that occurs at the cathode of a voltaic cell for the following combination of half-reactions. [The notation Zn(s)/Zn2+(aq) used below indicates the components of one of the half cells: Zn metal electrode placed in an aqueous solution ofZn2+.]  Zn(s)/Zn2+(aq) and Al(s)/Al3+(aq) Anode:     Cathode:

Question
Be sure to answer all parts.
 
Use the activity series to predict the half-reaction that occurs at the anode and the half-reaction that occurs at the cathode of a voltaic cell for the following combination of half-reactions. [The notation Zn(s)/Zn2+(aq) used below indicates the components of one of the half cells: Zn metal electrode placed in an aqueous solution ofZn2+.]
 
Zn(s)/Zn2+(aq) and Al(s)/Al3+(aq)

Anode:
 
 
Cathode:
 

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