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Predicting Products

Predicting Products. Decide what type of reaction it is based on what the reactants given. Figure out what will happen to the reactants (how they will react). TIP: Remember the exceptions! See “ Types of Reactions ” Notes from the very beginning of this unit. Combination/Synthesis.

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Predicting Products

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  1. Predicting Products • Decide what type of reaction it is based on what the reactants given. • Figure out what will happen to the reactants (how they will react)

  2. TIP: Remember the exceptions! See “Types of Reactions” Notes from the very beginning of this unit.

  3. Combination/Synthesis • A + B  AB • Probable Product: A single compound • Mg + O2

  4. Decomposition • AB  A + B • Probable Product: More than 1 compound and/or element • Ca(OH)2 

  5. Single Replacement • A + BC  AC + B • Probable Product: A single element and new compound • Use activity series to determine if a reaction will happen! • Cu + AgNO3

  6. Double Replacement • AB + CD  AD + CB • Probable Product: Two new compounds • Use solubility rules to determine which product is the precipitate and (if any) which are spectators

  7. Precipitate Predictions • Use the solubility chart to determine if any of the products will be insoluble (ppt) from the aqueous reactants • Pb(NO3)2 + H2SO4 • Na3PO4 + AlCl3

  8. Combustion • CxHy + O2 CO2 + H2O • Probable products (if reactant is a hydrocarbon): CO2 & H2O

  9. Practice • K2O + H2O  • K2CO3 + BaCl2 • NaCl + F2 • C3H8 + O2

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