Balancing/Classifying Chemical Reactions
Remember that we cannot create or destroy any atoms. This means that you need to
have the same number of atoms on each side of a chemical reaction.
Balance the following:
1. ____ H2 + ____ O2  ____ H2O
2. ____ NaCl + ____ F2  ____ NaF + ____ Cl2
3. ____ P + ____O2  ____P2O5
4. ____ N2 + ____ H2  ____ NH3
5. ___ Ag2O  ____ Ag + ____O2
6. ____ K + ____ MgBr  ____ KBr + ____ Mg
7. ____ NaBr + ____ CaF2  ____ NaF + ____ CaBr2
8. ____K
+____ Cl2
 ___ KCl
9. ____Li
+____ S
 ___ LiS2
10. ____ C3H8 + ____ O2
11.
___
Mg3N2 

____Mg
_____ CO2
+____ N2
+ _____ H2O