Name: ___________________________________________ Date: ________________________ Period:
_____________________
Honors Chemistry
Balancing Equations Review
Balance the following formula equations.
.
1.
____ Br2 (l) + ____ LiF (aq)  _____ LiBr (aq) +
2.
____ Ag3PO4 (aq) + ___ KBr (aq)  ____ K3PO4 (aq) + ___AgBr (ppt)
3.
____ Ni (OH)3 (aq)  ____
4.
______ Fe2O3 (s)  ____ Fe (s) + ____ O2 (g)
5.
______ Mg (s) + ______ H2O (g)  _____ MgO (s) + ____ H2 (g)
6.
______ Li (s) + ____ Pb(OH)2 (aq)  ____ Pb (s)+ _____ LiOH (aq)
7.
_____ C3H8 (l) + ____ O2 (g)  _____ CO2 (g) + _____ H2O (l)
8.
_____ C4H10 (l) + ____ O2 (g)  _____ CO2 (g) + _____ H2O (l)
9.
_____ ZnS (s)
10.
_____ Na2SO4 (aq) + ____ Fe (NO3)3 (aq)  _____ NaNO3 (aq) + ____ Fe2 (SO4)3 (aq)
+ ____
_____F2 (g)
Ni2O3 (s) + ____ H2O (l)
O2 (g)  _____
ZnO (ppt) + _____ SO2 (g)
 _____
11.
______ AgNO3 (aq) + ____ CaCl2 (aq)
12.
______ Al2O3 (s)
13.
_______ H2SO4 (aq)  ___ H2SO3 (aq) + ___O2 (g)
14.
______ CaCO3 (s)  ___ CaO (s) + ___CO2 (g)
+ _____
HCl (aq)
AgCl (ppt) + _____
 _____ AlCl3 (ppt) + _____
15. _____NH4NO3 → _____N2O + _____H2O
16. _____K + _____H2O → _____H2 + _____KOH
17. _____O2 → _____O3
18. _____Mg + _____HCl → _____MgCl2 + _____H2
19. _____SO3 → _____SO2 + _____O2
20. _____Cu + _____S8 → _____Cu2S
21. _____Na2O + _____H2O → _____NaOH
22. _____PCl5 + _____H2O → _____H3PO4 + _____HCl
Ca (NO3)2 (aq)
H2O (l)
23. _____FeO + _____O2 → _____Fe2O3
24. _____NaOH + _____H2SO4 → _____Na2SO4 + _____H2O