1. Chapter 18 Oxidation-Reduction Reactions and Electrochemistry

2. EXIT Copyright © by McDougal Littell. All rights reserved.2 Rules for Assigning Oxidation States

3. EXIT Copyright © by McDougal Littell. All rights reserved.3 Figure 18.1: Schematic for separating the oxidizing and reducing agents in a redox reaction.

4. EXIT Copyright © by McDougal Littell. All rights reserved.4 Figure 18.2: Electron flow.

5. EXIT Copyright © by McDougal Littell. All rights reserved.5 Figure 18.3: Ion flow keeps the charge neutral.

6. EXIT Copyright © by McDougal Littell. All rights reserved.6 Figure 18.4: The salt bridge contains a strong electrolyte.

7. EXIT Copyright © by McDougal Littell. All rights reserved.7 Figure 18.4: The porous disk allows ion flow.

8. EXIT Copyright © by McDougal Littell. All rights reserved.8 Figure 18.5: Schematic of a battery.

9. EXIT Copyright © by McDougal Littell. All rights reserved.9 Figure 18.6: Schematic of one cell of the lead battery.

10. EXIT Copyright © by McDougal Littell. All rights reserved.10 Figure 18.7: A common dry cell battery.

11. EXIT Copyright © by McDougal Littell. All rights reserved.11 Figure 18.8: A mercury battery.

12. EXIT Copyright © by McDougal Littell. All rights reserved.12 Figure 18.9: Cathodic protection of an underground pipe.