WARM UP List 3 different types of redox reactions and show a simple equation of each.

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Presentation transcript:

WARM UP List 3 different types of redox reactions and show a simple equation of each.

Precipitation Reactions

Definition Double replacement (aq) reactants create (s) product (s) is insoluble, called precipitate Solubility determined by Table 4.2 Pb(NO3)2(aq) + 2KI(aq)  PbI2(s) + 2KNO3(aq)

Equation Forms Molecular equation The “normal” equation Pb(NO3)2(aq) + 2KI(aq)  PbI2(s) + 2KNO3(aq)

Equation Forms Ionic equation Write ionic(aq) as + and – ions Pb2+(aq) + 2NO3-(aq) + 2K+(aq) + 2I-(aq)  PbI2(s) + 2K+(aq) + 2NO3-(aq)

Equation Forms Pb2+(aq) + 2I-(aq)  PbI2(s) Net ionic equation Cancel ions that are the same on both sides of equation Pb2+(aq) + 2I-(aq)  PbI2(s)

WRAP UP Describe what a precipitation reaction is in 10 words or less.