Reaction Type and Balancing Worksheet



Reaction Type and Balancing Worksheet - Key

Classify each of the reactions below as to type by writing one of the following terms in the blank space in front of each reaction: (1) decomposition, (2) synthesis,

(3) single replacement, (4) double replacement, (5) combustion, or (6) none.

Balance each of the reactions after classifying them.

1. Decomposition 2 HgO ( 2 Hg + O2

2. Single Replacement 2 Al + 3 Pb(NO3)2 ( 2 Al(NO3)3 + 3 Pb

3. Single Replacement 2 K + 2 H2O ( 2 KOH + H2

4. Single Replacement Cl2 + 2 LiI ( 2 LiCl + I2

5. Double Replacement 2 AgNO3 + K2SO4 ( Ag2SO4 + 2 KNO3

6. Double Replacement Al(NO3)3 + 3 NaOH ( Al(OH)3 + 3 NaNO3

7. Combustion 2 CH3OH + 3 O2 ( 2 CO2 + 4 H2O

8. None 4 NH3 + 5 O2 ( 4 NO + 6 H2O

9. Single Replacement 2 Al + 3 CuCl2 ( 2 AlCl3 + 3 Cu

10. Decomposition 2 H2O ( 2 H2 + O2

11. Single Replacement Cu + 2 AgNO3 ( Cu(NO3)2 + 2 Ag

12. None Fe2O3 + 3 CO ( 2 Fe + 3 CO2

13. Combustion 2 C6H14 + 19 O2 ( 12 CO2 + 14 H2O

14. None 4 NH3 + 7 O2 ( 2 N2O4 + 6 H2O

15. Combustion 2 C4H10 + 13 O2 ( 8 CO2 + 10 H2O

16. Synthesis N2 + 2 H2O ( NH4NO2

17. Double Replacement BaCl2 + Na2SO4 ( 2 NaCl + BaSO4

18. Single Replacement Fe + 2 AgC2H3O2 ( Fe(C2H3O2)2 + 2 Ag

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