Balancing Chemical Equations Worksheet

=Arrow or =

1.            2 H2 + O2  2 H2O

2.            N2 + 3 H2  2 NH3

3.            S8 + 12 O2  8 SO3

4.            2 N2 +  O2   2 N2O

5.            2 HgO  2 Hg +  O2

6.            6 CO2 + 6 H2O  C6H12O6 + 6 O2

7.            2 Zn + 4 HCl   2 ZnCl2 + 2 H2

8.            SiCl4 + 4 H2O   H4SiO4 + 4 HCl

9.            2 Na + 2 H2O 2 NaOH +  H2

10.        2 H3PO4  H4P2O7 +  H2O

11.        C10H16 + 8 Cl2  10 C + 16 HCl

12.        3 CO2 + 6 NH3  3 OC(NH2)2 + 3 H2O

13.        4 Si2H3 + 17 O2   8 SiO2 + 6 H2O3

14.        2 Al(OH)3 + 3 H2SO4  Al2(SO4)3 + 6 H2O

15.        4 Fe + 3 O2 2 Fe2O3

16.        Fe2(SO4)3 + 6 KOH 3 K2SO4 + 2 Fe(OH)3

17.        2 C7H6O2 + 15 O2  14 CO2 + 6 H2O

18.        2 H2SO4 + 16 HI 2 H2S +  8 I2 + 8 H2O

19.        4 FeS2 + 11 O2 2 Fe2O3 + 8 SO2

20.        4 Al + 6 FeO 2 Al2O3 + 6 Fe

21.        2 Fe2O3 + 3 H2  4 Fe + 6 H2O

22.        3 Na2CO3 +  6 HCl 6 NaCl + 3 H2O + 3 CO2

23.        2 K + Br2  2 KBr

24.        2 C7H16 + 22 O2 14 CO2 + 16 H2O

25.         P4 + 5 O2  2 P2O5

26.        Dicarbon dihydride + Oxygen Carbon dioxide + Water

2 C₂H₂ + 5 O₂= 4 CO₂ + 2 H₂O

27.        Potassium oxide + Water Potassium hydroxide

2 K₂O + 2 H₂O= 4 KOH

28.        Hydrogen peroxide Water + Oxygen

2 H₂O₂₌ 2 H₂O + O₂

29.        Aluminum + Oxygen Aluminum oxide

2 Al + 3 O= Al₂O₃

30.        Sodium peroxide + Water Sodium hydroxide + oxygen

2 NaO₅ + H₂O=  2 NaOH + 9 O

31.        Silicon dioxide + Hydrogen fluoride Silicon tetrafluoride + Water

SiO₂ + 4 HF=SiF₄ + 2 H₂O

32.        Carbon + water Carbon monoxide + Hydrogen

C + H₂O=  CO + 2 H

33.        Potassium chlorate Potassium chloride + Oxygen

KCIO₃= KCl + 3 O

34.        Potassium chlorate Potassium perchlorate + Potassium chloride

4 KCIO₃= 3 KCIO₄ + KCl

35.        Aluminum sulfate + Calcium hydroxide Aluminum hydroxide + Calcium sulfate

Al₂(SO₄)₃ + Ca(OH)₂=  Al(OH)₃+ CaSO₄

36.        Tetraphosphorus decoxide + Water Hydrogen phosphate

P₄O₂ + 2 H₂O=  4 HPO₄³

37.        Iron III chloride + Ammonium hydroxide Iron III hydroxide + Ammonium chloride

 FeCl₃ +  3 NH₄OH=  FeOH₃ + 3 NH₄Cl

38.        Antimony + Oxygen Tetrantimony Hexoxide

4 Sb + 6 O=  Sb₄O₆

39.        Tricarbon octahydride + Oxygen Carbon dioxide + water

C₃H₈ + 10 O=  3 CO₂ + 4 H₂O

40.        Dinitrogen pentoxide + Water Hydrogen nitrate

N₂O₅ + H₂O= 2 HNO₃

41.        Nitrogen trihydride + Nitrogen monoxide Nitrogen + Water

2 NH₃ + 2 NO= 4 N + 2 H₂O

42.        Aluminum + Hydrogen chloride Aluminum chloride + Hydrogen

Al + 3 HCl= AlCl₃ + 3 H

43.        Phosphorus pentachloride + water Hydrogen chloride + Hydrogen phosphate

PCl₅ + 3 H₂O= 5 HCl + HPO₄³

44.        Magnesium + Nitrogen Magnesium nitride

3 Mg + 2 N=  Mg₃N₂

45.        Iron + WaterIron III oxide + Hydrogen

4 Fe + 6 H₂O= 2 Fe₂O₃ + 12 H

46.        Sodium hydroxide + Chlorine Sodium chloride + Sodium hypochlorite + water

2 NaOH + Cl= NaCl + NaClO + H₂O

47.        Lithium oxide + Water Lithium hydroxide

Li₂O + H₂O=   2 LiOH

48.        Ammonium nitrate Dinitrogen monoxide + water

NH₄NO₃=  N₂O + 2 H₂O

49.        Lead II nitrate Lead II oxide + Nitrogen dioxide + Oxygen

2 Fe(NO₃)₂= 2 FeO + 2 NO₂ + 3 O₂

50.        Calcium chlorateCalcium chloride + Oxygen

2 Ca(CIO₃)₂=  2 CaCl₂ + 12 O