1. Chemical Reactions: An Introduction

2. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–2 Beakers with precipitates of lead(II) iodide and mercury(II) iodide.

3. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–3 Figure 4.1: Reaction of Potassium Iodide Solution

4. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–4 Figure 4.2: Motion of Ions in Solution

5. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–5 Figure 4.3: Testing Electrical Conductivity

6. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–6 Figure 4.3: Testing Electrical Conductivity (cont'd)

7. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–7 Figure 4.4: Comparing Strong and Weak Electrolytes

8. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–8 Figure 4.4: Comparing Strong and Weak Electrolytes (cont'd)

9. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–9 Figure 4.5: Limestone Formations

10. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–10 Figure 4.6: Molecular Model of Reaction of Magnesium Chloride

11. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–11 Ammonia Reaction

12. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–12 Equation With Molecular Models

13. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–13 Figure 4.7: Household Acids and Bases

14. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–14 Figure 4.8: Preparation of Red Cabbage Juice

15. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–15 Figure 4.8: Red Cabbage Juice Added to Beakers

16. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–16 Figure 4.9: Molecular Views Comparing Strong Acid and Weak Acid

17. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–17 Figure 4.10: Reaction of Carbonate With an Acid

18. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–18 Figure 4.11: Molecular Blow-out of Center Beaker Photo

19. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–19 Figure 4.12: Molecular Model of Burning of Calcium Metal in Oxygen

20. Copyright © Houghton Mifflin Company. All rights reserved. 4(a)–20 Figure 4.13: Burning of Calcium in Chlorine