Balancing Chemical Equations
Directions: Write the balanced equation below the original.  You may want to make a table to keep track of the elements on both sides of the equation.

1. HgO  ->  Hg + O2
 

2. Na + Br2  ->  NaBr
 

3. Mg + HCl  ->  MgCl2 + H2
 

4. KClO3  ->  KCl + O2
 

5. Al2O3  ->  Al + O2
 

6. CuCl2 + H2S  ->  CuS + HCl
 

7. H2 + O2  ->  H20
 

8.  Na2O + CO2  ->  Na2CO3
 

9.  H2 + N2  ->  NH3
 

10.  Ca(OH)2 + HNO3  ->  Ca(NO3) + H2O
 


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