SAHAR ADHAM LECTUERE OF PHYSICAL CHEMISTRY galvanicelectrolytic need power source two electrodes produces electrical current anode (-) cathode (+)
Dry Cell Battery Anode (-) Zn ---> Zn 2+ + 2e- Cathode (+) 2 NH 4 + + 2e- ---> 2 NH 3 + H 2 Common dry cell Copyright © 1999 by Harcourt Brace & Company.
