1. Classifying Chemical Reactions
10.2
Classifying Chemical Reactions

2. A + B  AB Fe + Cl2  FeCl2
Synthesis RXN

3. Synthesis RXN 2 or more compounds to make 1 product
More reactants than products
2 elements
1 element + 1 compound
2 compounds
Synthesis RXN

4. AB  A + B 2NH4NO3  2N2 + O2 + 4H2O
Decomposition RXN

5. One compound breaks down into 2 or more elements or simpler compounds
More products than reactants
Usually require ENERGY (E) to get started
Decomposition RXN

6. Single Replacement RXN
Ax + B  Bx + A 2Zn + 2HCl  2ZnCl + H2
Single Replacement RXN

7. Single Replacement RXN
1 reactant switches places with another
1 substance is displaced
Single Replacement RXN

8. Double Replacement RXN
Ax +By  Ay + Bx NaOH + HCl  NaCl + H2O
Double Replacement RXN

9. Double Replacement RXN
2 substances switch places
Always forms
Precipitate
Gas
H2O
Double Replacement RXN

10. A + O2  AOx 2H2 + O2  2H2O
Combustion RXN

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12. Combustion RXN w/ CARBON
CxHy +O2
#CO2
#H2O
Combustion RXN w/ CARBON

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Reactivity Series

14. Reactivity Series MOST REACTIVE LEAST REACTIVE
Reactivity Series