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Slide 1 of 21 chemistry. © Copyright Pearson Prentice Hall Slide 2 of 21 Reactions in Aqueous Solution Structures in limestone caverns are formed when.

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Presentation on theme: "Slide 1 of 21 chemistry. © Copyright Pearson Prentice Hall Slide 2 of 21 Reactions in Aqueous Solution Structures in limestone caverns are formed when."— Presentation transcript:

1 Slide 1 of 21 chemistry

2 © Copyright Pearson Prentice Hall Slide 2 of 21 Reactions in Aqueous Solution Structures in limestone caverns are formed when carbon dioxide converts calcium hydrogen carbonate into calcium carbonate. The calcium carbonate precipitates and forms dramatic stalactites and stalagmites. You will learn to predict the formation of precipitates and write equations to describe the reactions that produce them. 11.3

3 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Slide 3 of 21 Net Ionic Equations What does a net ionic equation show? 11.3

4 Slide 4 of 21 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Net Ionic Equations A complete ionic equation is an equation that shows dissolved ionic compounds as dissociated free ions. 11.3

5 Slide 5 of 21 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Net Ionic Equations An ion that appears on both sides of an equation and is not directly involved in the reaction is called a spectator ion. The net ionic equation is an equation for a reaction in solution that shows only those particles that are directly involved in the chemical change. 11.3

6 © Copyright Pearson Prentice Hall Slide 6 of 21 Reactions in Aqueous Solution > Net Ionic Equations A net ionic equation shows only those particles involved in the reaction and is balanced with respect to both mass and charge. 11.3

7 Slide 7 of 21 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Net Ionic Equations Sodium ions and nitrate ions are not changed during the chemical reaction of silver nitrate and sodium chloride so the net ionic equation is 11.3

8 © Copyright Pearson Prentice Hall Slide 8 of 21

9 © Copyright Pearson Prentice Hall Slide 9 of 21

10 © Copyright Pearson Prentice Hall Slide 10 of 21

11 © Copyright Pearson Prentice Hall Slide 11 of 21 Practice Problems for Conceptual Problem 11.9 Problem Solving Solve Problem 28 with the help of an interactive guided tutorial.

12 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Slide 12 of 21 Predicting the Formation of a Precipitate How can you predict the formation of a precipitate in a double-replacement reaction? 11.3

13 Slide 13 of 21 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Predicting the Formation of a Precipitate You can predict the formation of a precipitate by using the general rules for solubility of ionic compounds. 11.3

14 Slide 14 of 21 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Predicting the Formation of a Precipitate 11.3

15 Slide 15 of 21 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Predicting the Formation of a Precipitate Will a precipitate form when a sodium carbonate solution is mixed with a barium nitrate solution? 11.3

16 Slide 16 of 21 © Copyright Pearson Prentice Hall Reactions in Aqueous Solution > Predicting the Formation of a Precipitate Sodium nitrate is soluble but barium carbonate is insoluble. The net ionic equation is 11.3

17 © Copyright Pearson Prentice Hall Slide 17 of 21 Section Quiz -or- Continue to: Launch: Assess students’ understanding of the concepts in Section 11.3 Section Quiz

18 © Copyright Pearson Prentice Hall Slide 18 of Section Quiz. 1. Identify the correct net ionic equation for the following reaction and the spectator ion, if there is one. FeO(s) + 2HClO 4 (aq)  H 2 O(l) + Fe(ClO 4 ) 2 (aq) a.FeO(s) + 2H + (aq) + 2ClO 4 - (aq)  H 2 O(l) + Fe 2 + (aq) + 2ClO 4 - (aq); no spectator ion b.FeO(s) + 2H + (aq) + 2ClO 4 - (aq)  H 2 O(l) + Fe 2 + (aq) + 2ClO 4 - (aq); ClO 4 - is a spectator ion c.FeO(s) + 2H + (aq)  H 2 O(l) + Fe 2+ (aq); ClO 4 - d.FeO(s) + 2HClO 4 (aq)  H 2 O(l) + Fe(ClO 4 ) 2 (aq); no spectator ion

19 © Copyright Pearson Prentice Hall Slide 19 of Which one of the following products of double- replacement reactions would NOT form a precipitate? a.AgCl b.PbSO 4 c.Mg(OH) 2 d.Mo(NO 3 ) Section Quiz.

20 © Copyright Pearson Prentice Hall Slide 20 of Which reaction will NOT produce a precipitate from aqueous solution? a.Hg 2 (NO 3 ) 2 + KCl b.FeSO 4 + Ba(OH) 2 c.Pb(NO 3 ) 2 + Na 2 CO 3 d.NaBr + Al 2 (SO 4 ) Section Quiz

21 © Copyright Pearson Prentice Hall Slide 21 of 21 Reactions in Aqueous Solution > Concept Map 11 Concept Map 11 Solve the Concept Map with the help of an interactive tutorial.

22 END OF SHOW


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