Balancing Worksheet #2

Please note that several of these equations are already balanced as written.

  1. N2 +O2N2O
  2. CO2 +H2OC6H12O6+O2
  3. SiCl4 +H2OH4SiO4+HCl
  4. H3PO4H4P2O7+H2O
  5. CO2 +NH3OC(NH2)2+H2O
  6. Al(OH)3+H2SO4Al2(SO4)3+H2O
  7. Fe2(SO4)3+KOHK2SO4+Fe(OH)3
  8. H2SO4 +HIH2S+I2+H2O
  9. Al +FeOAl2O3+Fe
  10. Na2CO3+HClNaCl+H2O+CO2
  11. P4 +O2P2O5
  12. K2O +H2OKOH
  13. Al +O2Al2O3
  14. Na2 O +H2ONaOH
  15. C +H2OCO+H2
  16. H3AsO4As2O5+ H2O
  17. Al2(SO4)3+Ca(OH)2 Al(OH)3+CaSO4
  18. FeCl3 +NH4OH Fe(OH)3+NH4Cl
  19. N2H4 +O2N2+H2O
  20. CaCO3 +HClCaCl2+H2CO3

Balancing Worksheet #3

Please note that several of these equations are already balanced as written.

  1. NaBr +Cl2NaCl+Br2
  2. N2 +H2NH3
  3. Fe +S8FeS
  4. P4 +Cl2PCl3
  5. C3H8 +O2CO2+H2O
  6. CuS +O2Cu2O+ SO2
  7. Ca +H2OCa(OH)2+H2
  8. CaCO3 +HClCaCl2+H2O+CO2
  9. PbSO3 +HClSO2+H2O+PbCl2
  10. Al4C3 +H2OCH4+Al(OH)3
  11. H2O2 H2O+O2
  12. Fe +O2Fe3O4
  13. C4H10+O2CO2+H2O
  14. BiCl3 +H2SBi2S3+HCl
  15. NaNO3NaNO2+O2
  16. Pb(CH3)4+O2PbO+CO2+H2O
  17. CaO +CCaC2+CO2
  18. Mg3N2+H2OMg(OH)2+NH3
  19. C6H12O6+O2CO2+H2O
  20. BaO2 BaO+O2

Writing Chemical Equations from Word Equations #1

Write the word equations below as chemical equations and balance.

  1. Zinc + lead (II) nitrate yield zinc nitrate + lead

  1. Aluminum bromide + chlorine yield aluminum chloride + bromine

  1. Sodium phosphate + calcium chloride yield calcium phosphate + sodium chloride

  1. Potassium chlorate when heated yields potassium chloride + oxygen

  1. Aluminum + hydrochloric acid yield aluminum chloride + hydrogen gas

  1. Calcium hydroxide + phosphoric acid yield calcium phosphate + water

  1. Copper + sulfuric acid yield copper (II) sulfate + water + sulfur dioxide

  1. Hydrogen + nitrogen monoxide yield water + nitrogen

Writing Chemical Equations from Word Equations #2

Write the word equations below as balanced chemical equations.

  1. Sodium hydroxide + copper (II) sulphate  sodium sulphate + copper (II) hydroxide
  2. Iron (III) chloride + potassium hydroxide  potassium chloride + iron (III) hydroxide
  3. Sodium sulphate + barium chloride  sodium chloride + barium sulphate
  4. Sodium chloride + sulphuric acid  sodium sulphate + hydrochloric acid
  5. Iron (III) oxide + hydrochloric acid  iron (III) chloride + water
  6. Calcium oxide + hydrochloric acid  calcium chloride + water
  7. Manganese (II) oxide + hydrochloric acid  manganese(II)chloride + water
  8. Carbon + nitric acid  nitrogen dioxide + water + carbon dioxide
  9. Sodium hydroxide + phosphoric acid sodium phosphate + water
  10. Sodium bromide + manganese (IV) oxide + sulphuric acid  sodium sulphate + manganese (II) sulphate + water + bromine

Balancing Worksheet #1

Balance each of the following equations. Please note that several of these equations are already balanced as written.

  1. 2H2+ O22H2O
  2. S8 +12O28SO3
  3. 2HgO 2Hg+O2
  4. Zn +2HClZnCl2+H2
  5. 2Na +2H2O2NaOH+H2
  6. C10H16+8Cl210C+16HCl
  7. 4Si2H3+11O28SiO2+6H2O
  8. 4Fe+3O22Fe2O3
  9. 2C7H6O2+15O214CO2+6H2O
  10. 4FeS2+11O22Fe2O3+8SO2
  11. Fe2O3+3H22Fe+3H2O
  12. 2K +Br22KBr
  13. 2C2H2+5O24CO2+2H2O
  14. 2H2O22H2O+O2
  15. C7H16+11O27CO2+8H2O
  16. SiO2+4HFSiF4+2H2O
  17. 2KClO32KCl+3O2
  18. 4KClO33KClO4+KCl
  19. P4O10+6H2O4H3PO4
  20. N2 +3H22NH3

Balancing Worksheet #2

Please note that several of these equations are already balanced as written.

  1. 2N2 +O22N2O
  2. 6CO2 +6H2OC6H12O6+6O2
  3. SiCl4 +4H2OH4SiO4+4HCl
  4. 2H3PO4H4P2O7+H2O
  5. CO2 +2NH3OC(NH2)2+H2O
  6. 2Al(OH)3+3H2SO4Al2(SO4)3+6H2O
  7. Fe2(SO4)3+6KOH3K2SO4+2Fe(OH)3
  8. H2SO4 +4HIH2S+2I2+2H2O
  9. 2Al +3FeOAl2O3+3Fe
  10. Na2CO3+2HCl2NaCl+H2O+CO2
  11. P4 +5O22P2O5
  12. K2O +H2O2KOH
  13. 4Al +3O22Al2O3
  14. Na2 O +H2O2NaOH
  15. C +H2OCO+H2
  16. 2H3AsO4As2O5+3H2O
  17. Al2(SO4)3+3Ca(OH)22Al(OH)3+3CaSO4
  18. FeCl3 +3NH4OHFe(OH)3+3NH4Cl
  19. N2H4 +O2N2+2H2O
  20. CaCO3 +2HClCaCl2+H2CO3

Balancing Worksheet #3

Please note that several of these equations are already balanced as written.

  1. 2NaBr +Cl22NaCl+Br2
  2. N2 +3H22NH3
  3. 8Fe +S88FeS
  4. P4 +6Cl24PCl3
  5. C3H8 +5O23CO2+4H2O
  6. 4CuS +5O22Cu2O+ 4SO2
  7. Ca +2H2OCa(OH)2+H2
  8. CaCO3 +2HClCaCl2+H2O+CO2
  9. PbSO3 +2HClSO2+H2O+PbCl2
  10. Al4C3 +12H2O3CH4+4Al(OH)3
  11. 2H2O2 2H2O+O2
  12. 3Fe +2O2Fe3O4
  13. 2 C4H10+13O28CO2+10H2O
  14. 2BiCl3+3H2SBi2S3+6HCl
  15. 2NaNO32NaNO2+O2
  16. 2Pb(CH3)4+15O22PbO+8CO2+12H2O
  17. 2CaO +5C2CaC2+CO2
  18. Mg3N2+6H2O3Mg(OH)2+2NH3
  19. C6H12O6+6O26CO2+6H2O
  20. 2BaO2 2BaO+O2

Writing Chemical Equations from Word Equations #1 ANSWERS

Write the word equations below as chemical equations and balance.

Zinc + lead (II) nitrate  zinc nitrate + lead
Zn + Pb(NO3)2Zn(NO3)2+Pb
  1. Aluminum bromide + chlorine yield aluminum chloride + bromine
2AlBr3+3Cl22AlCl3+3Br2
  1. Sodium phosphate + calcium chloride yield calcium phosphate + sodium chloride
2Na3PO4 +3CaCl2Ca3(PO4)2 +6NaCl
  1. Potassium chlorate when heated yields potassium chloride + oxygen
2KClO3 2KCl+3O2
  1. Aluminum + hydrochloric acid yield aluminum chloride + hydrogen gas
2Al + 6HCl  2AlCl3 +3H2
  1. Calcium hydroxide + phosphoric acid yield calcium phosphate + water
3Ca(OH)2+2H3PO4Ca3(PO4)2+6H2O
  1. Copper + sulfuric acid yield copper (II) sulfate + water + sulfur dioxide
Cu + 2H2SO4CuSO4+2H2O + SO2
  1. Hydrogen + nitrogen monoxide yield water + nitrogen
2H2+ 2NO 2H2O +N2

Writing Chemical Equations from Word Equations #2 ANSWERS

Write the word equations below as balanced chemical equations.

  1. Sodium hydroxide + copper (II) sulphate  sodium sulphate + copper (II) hydroxide

2NaOH+CuSO4Na2SO4+Cu(OH)2

  1. Iron (III) chloride + potassium hydroxide  potassium chloride + iron (III) hydroxide

FeCl3+3KOH 3KCl + Fe(OH)3

  1. Sodium sulphate + barium chloride  sodium chloride + barium sulphate

Na2SO4 + BaCl2  2NaCl+BaSO4

  1. Sodium chloride + sulphuric acid  sodium sulphate + hydrochloric acid

2NaCl + H2SO4  Na2SO4 + 2HCl

  1. Iron (III) oxide + hydrochloric acid  iron (III) chloride + water

Fe2O3+6HCl  2FeCl3+3H2O

  1. Calcium oxide + hydrochloric acid  calcium chloride + water

CaO + 2HCl  CaCl2 + H2O

  1. Magnesium oxide + hydrochloric acid  magnesium chloride + water

MgO + 2HCl  MgCl2 + H2O

  1. Carbon + nitric acid  nitrogen dioxide + water + carbon dioxide

C+ 4HNO34NO2+2H2O + CO2

  1. Sodium hydroxide + phosphoric acid  sodium phosphate + water

3NaOH+H3PO4Na3PO4+3H2O

  1. Pentacarbon decahydride + oxygen  carbon dioxide + water

C5H10 + O2  CO2 + H2O