1. Electron-Transfer Reactions Cu 2+ (aq) + Zn(s)  Cu(s) + Zn 2+ (aq)

2. Half-Reactions:

3. Direct vs. Indirect Electron-Transfer Reactions

4. Electrochemical Cells Cu 2+ (aq) + Zn(s)  Cu(s) + Zn 2+ (aq)

5. Eocell = E o cathode - E o anode

13. Why are some things good oxidants or reductants?

16. Standard Cell Potentials: Voltages

17. Relationship Between  G o and E o  G o = -nFE o F = 96.485 kJ/mol

18. V are J/C

19. An electrolytic cell is used to generate 2.4 L of H 2 gas from water at a pressure of 1 atm and 290 K, running at a voltage of +2.6 V and 14 Amps. How long does it take?