1. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 1 Chemistry FIFTH EDITION by Steven S. Zumdahl University of Illinois

2. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 2 Chemistry FIFTH EDITION Chapter 6 Thermochemistry

3. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 3 Figure 6.2 The Combustion of Methane

4. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 4 Figure 6.3 The Energy Diagram for the Reaction of Nitrogen and Oxygen to Form Nitric Oxide

5. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 5 Figure 6.4 The Volume of a Cylinder

6. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 6 Figure 6.5 A Coffee-Cup Calorimeter Made of Two Styrofoam Cups

7. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 7 Figure 6.6 A Bomb Calorimeter

8. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 8 Figure 6.7 The Principle of Hess’s Law

9. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 9 Figure 6.8 Pathway for the Combustion of Methane

10. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 10 Figure 6.9 A Schematic Diagram of the Energy Changes for the Reaction CH 4 (g) + 2O 2 (g)  CO 2 (g) + 2H 2 O(l)

11. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 11 Figure 6.10 A Pathway for the Combustion of Ammonia

12. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 12 Figure 6.11 Energy Sources Used in the United States

13. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 13 Figure 6.12 The Earth’s Atmosphere

14. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 14 Figure 6.13 Atmospheric CO 2 Concentration

15. Copyright©2000 by Houghton Mifflin Company. All rights reserved. 15 Figure 6.14 Coal Gasification