7.2 Evidence of a Chemical Reaction

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Predicting Precipitation <strong>Reaction</strong>s • The key to predicting precipitation reactions is understanding that only insoluble compounds form precipitates. • In a precipitation reaction, two solutions containing soluble compounds combine and an insoluble compound precipitates.
2KI(aq) + Pb(NO 3) 2(aq) PbI 2(s) + 2 KNO 3(aq) • The instant that the solutions are mixed, all four ions are present.
Page 1 and 2: 7.2 Evidence of a Chemical Reaction
Page 3 and 4: 7.2 Evidence of a Chemical Reaction
Page 5 and 6: 7.3 The Chemical Equation: Combusti
Page 7 and 8: 7.3 The Chemical Equation: Combusti
Page 9 and 10: 7.4 How to Write Balanced Chemical
Page 11 and 12: 7.4 How to Write Balanced Chemical
Page 13 and 14: Example: The reaction of solid alum
Page 15 and 16: 7.5 Aqueous Solutions and Solubilit
Page 17 and 18: FIGURE 7.6 Ions as conductors Stron
Page 21 and 22: Solubility: Mostly Insoluble • Fo
Page 23: 7.6 Precipitation Reactions: Reacti
Page 27 and 28: 2KI(aq) + Pb(NO 3) 2(aq) PbI 2(s)
Page 29 and 30: Writing Equations for Precipitation
Page 31 and 32: Writing Equations for Precipitation
Page 33 and 34: 7.7 Writing Chemical Equations for
Page 35 and 36: Molecular, Complete Ionic, and Net
Page 37 and 38: • Acid-base reactions 7.8 Acid-Ba
Page 39 and 40: 7.8 Gas Evolution Reactions
Page 41 and 42: 7.9 Oxidation-Reduction Reactions
Page 43 and 44: 7.9 Oxidation-Reduction Reactions
Page 45: 7.10 Classifying Chemical Reactions

7.2 Evidence of a Chemical Reaction

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