7.2 Evidence of a Chemical Reaction

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7.9 Oxidation–Reduction Reactions • Notice that oxidation and reduction must occur together. • If one substance loses electrons (oxidation), then another substance must gain electrons (reduction). • For now, you simply need to be able to identify redox reactions.
7.9 Oxidation–Reduction Reactions • A reaction can be classified as a redox reaction if it meets any one of these requirements. Redox reactions are those in which: • A substance reacts with elemental oxygen. • A metal reacts with a nonmetal. • More generally, one substance transfers electrons to another substance.
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 and 24: 7.6 Precipitation Reactions: Reacti
Page 25 and 26: 2KI(aq) + Pb(NO 3) 2(aq) PbI 2(s)
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: 7.9 Oxidation-Reduction Reactions
Page 45: 7.10 Classifying Chemical Reactions

7.2 Evidence of a Chemical Reaction

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