Balancing Equations: Practice Problems 1. Balance each of the following equations.

(a) Fe+ Cl2 −−→ FeCl3

(b) Fe+ O2 −−→ Fe2O3

(c) FeBr3 + H2SO4 −−→ Fe2(SO4)3 + HBr

(d) C4H6O3 + H2O −−→ C2H4O2

(e) C2H4 + O2 −−→ CO2 + H2O

(f) C4H10O+ O2 −−→ CO2 + H2O

(g) C7H16 + O2 −−→ CO2 + H2O

(h) H2SiCl2 + H2O −−→ H8Si4O4 + HCl

(i) HSiCl3 + H2O −−→ H10Si10O15 + HCl

(j) C7H9 + HNO3 −−→ C7H6(NO2)3 + H2O

(k) C5H8O2 + NaH+ HCl −−→ C5H12O2 + NaCl

Balancing Equations

Balance the following chemical equations.

1. Fe + H2S04 Fe2(SO4)3 + H2

2. C2H6 + O2H 2O + CO2

3. KOH + H3PO4K 3PO4 + H2O

4. SnO2 + H2Sn + H2O

5. NH3 + O2NO + H2O

6. KNO3 + H2CO3K 2CO3 + HNO3

7. B2Br6 + HNO3B(NO3)3 + HBr

8. BF3 + Li2SO3B 2(SO3)3 + LiF

9. (NH4)3PO4 + Pb(NO3)4Pb3(PO4)4 + NH4NO3

10. SeCl6 + O2SeO2 + Cl2

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