Balancing Chemical Equations

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1 Balancing Chemical Equations 1. sodium carbonate + calcium hydroxide sodium hydroxide + calcium carbonate Na 2 CO 3 + Ca(OH) 2 2 NaOH + CaCO 3 2. carbon dioxide + water carbonic acid CO 2 + H 2 O H 2 CO 3 3. phosphorus + oxygen diphosphorus pentoxide 4 P + 5 O 2 2 P 2 O 5 4. sodium + water sodium hydroxide + hydrogen 2 Na + 2 H 2 O 2 NaOH + H 2 5. zinc + sulphuric acid zinc sulfate hydrogen Zn + H 2 SO 4 ZnSO 4 + H 2 6. aluminum sulfate + calcium hydroxide aluminum hydroxide + calcium sulfate Al 2 (SO 4 ) Ca(OH) 2 2 Al(OH) CaSO 4 7. calcium oxide + water calcium hydroxide CaO + H 2 O Ca(OH) 2 8. iron + copper(i) nitrate iron(ii) nitrate + copper Fe + 2 CuNO 3 Fe(NO 3 ) Cu 9. iron(ii) sulfide + hydrochloric acid hydrosulfuric acid + iron(ii) chloride FeS + 2 HCl H 2 S + FeCl potassium oxide + water potassium hydroxide K 2 O + H 2 O 2 KOH 11. ammonium sulfide + lead(ii) nitrate ammonium nitrate + lead(ii) sulfide (NH 4 ) 2 S + Pb(NO 3 ) 2 2 NH 4 NO 3 + PbS 12. mercuric hydroxide + phosphoric acid mercuric phosphate + water 3 Hg(OH) H 3 PO 4 Hg 3 (PO 4 ) H 2 O 13. potassium hydroxide + phosphoric acid potassium phosphate + water 3 KOH + H 3 PO 4 K 3 PO H 2 O 14. calcium chloride + nitric acid calcium nitrate + hydrochloric acid CaCl HNO 3 Ca(NO 3 ) HCl 15. potassium carbonate + barium chloride potassium chloride + barium carbonate K 2 CO 3 + BaCl 2 2 KCl + BaCO 3 Balancing Chemical Equations From Names Answers - Page 1 of 5

2 16. sulfur dioxide + water sulfurous acid SO 3 + H 2 O H 2 SO sodium carbonate + hydrochloric acid sodium chloride + water + carbon dioxide Na 2 CO HCl 2 NaCl + H 2 O + CO magnesium + nitric acid magnesium nitrate + hydrogen Mg + 2 HNO 3 Mg(NO 3 ) 2 + H aluminum + ferric oxide aluminum oxide + iron 2 Al + Fe 2 O 3 Al 2 O 3 + 2Fe 20. potassium phosphate + magnesium chloride magnesium phosphate + potassium chloride 2 K 3 PO MgCl 2 Mg 3 (PO 4 ) KCl 21. ammonia + oxygen nitrogen + water 4 NH O 2 2 N H 2 O 22. calcium carbonate calcium oxide + carbon dioxide CaCO 3 CaO + CO sodium chloride + sulfuric acid sodium sulfate hydrochloric acid 2 NaCl + H 2 SO 4 Na 2 SO HCl 24. chromium + hydrochloric acid chromium(ii) chloride + hydrogen Cr + 2 HCl CrCl 2 + H copper + silver nitrate copper(ii) nitrate + silver Cu + 2 AgNO 3 Cu(NO 3 ) Ag 26. copper + sulfuric acid copper(ii) sulfate + sulfur dioxide + water Cu + 2 H 2 SO 4 CuSO 4 + SO H 2 O 27. aluminum sulfate + ammonium bromide aluminum bromide + ammonium sulfate Al 2 (SO 4 ) NH 4 Br 2 AlBr (NH 4 ) 2 SO chlorine + sodium hydroxide sodium chloride + sodium hypochlorite + water Cl NaOH NaCl + NaClO + H 2 O 29. sodium + water sodium hydroxide + hydrogen 2 Na + 2 H 2 O 2 NaOH + H lead(ii) nitrate lead(ii) oxide + nitrogen dioxide + oxygen 2 Pb(NO 3 ) 2 2 PbO + 4 NO 2 + O 2 Balancing Chemical Equations From Names Answers - Page 2 of 5

3 31. cupric oxide + ammonia copper + water + nitrogen 3 CuO + 2 NH 3 3 Cu + 3 H 2 O + N sodium bicarbonate + sulfuric acid sodium sulfate + water + carbon dioxide 2 NaHCO 3 + H 2 SO 4 Na 2 SO H 2 O + 2 CO ammonia + oxygen nitrogen monoxide + water 4 NH O 2 4 NO + 6 H 2 O 34. potassium carbonate + hydrofluoric acid potassium fluoride + carbon dioxide + water K 2 CO HF 2 KF + CO 2 + H 2 O 35. fluorine + sodium hydroxide sodium fluoride + oxygen + water 2 F NaOH 4 NaF + O H 2 O 36. magnesium nitrate + calcium iodide calcium nitrate + magnesium iodide Mg(NO 3 ) 2 + CaI 2 Ca(NO 3 ) 2 + MgI aluminum sulfate + ammonium bromide aluminum bromide + ammonium sulfate Al 2 (SO 4 ) NH 4 Br 2 AlBr (NH 4 ) 2 SO potassium fluoride + barium bromide barium fluoride + potassium bromide 2 KF + BaBr 2 BaF KBr 39. cupric nitrate + ammonium hydroxide cupric hydroxide + ammonium nitrate Cu(NO 3 ) NH 4 OH Cu(OH) NH 4 NO sodium nitrate sodium nitrite + oxygen 2 NaNO 3 2 NaNO 2 + O ammonia + sulfuric acid ammonium sulfate 2 NH 3 + H 2 SO 4 (NH 4 ) 2 SO hydrochloric acid + ammonia ammonium chloride HCl + NH 3 NH 4 Cl 43. aluminum + hydrochloric acid aluminum chloride + hydrogen 2 Al + 6 HCl 2 AlCl H calcium bicarbonate + calcium hydroxide calcium carbonate + water Ca(HCO 3 ) 2 + Ca(OH) 2 CaCO H 2 O 45. water + diphosphorus pentoxide phosphoric acid 3 H 2 O + P 2 O 5 2 H 3 PO 4 Balancing Chemical Equations From Names Answers - Page 3 of 5

4 46. chlorine + sodium hydroxide sodium chloride + sodium hypochlorite + water Cl NaOH NaCl + NaClO + H 2 O 47. plumbous nitrate plumbous oxide + nitrogen dioxide + oxygen 2 Pb(NO 3 ) 2 2 PbO + 4 NO 2 + O chromium(iii) chloride + sulfuric acid chromium(iii) sulfate + hydrochloric acid 2 CrCl H 2 SO 4 Cr 2 (SO 4 ) HCl 49. magnesium bicarbonate + hydrochloric acid magnesium chloride + water + carbon dioxide Mg(HCO 3 ) HCl MgCl 2 + H 2 O + CO iron + oxygen ferric oxide 4 Fe + 3 O 2 2 Fe 2 O ferric oxide + carbon monoxide iron + carbon dioxide Fe 2 O CO 2 Fe + 3 CO calcium chloride + chromium(iii) nitrate calcium nitrate + chromium(iii) chloride 3 CaCl Cr(NO 3 ) 3 3 Ca (NO 3 ) CrCl zinc sulfide + oxygen zinc oxide + sulfur dioxide 2 ZnS + 3 O 2 2 ZnO + 2 SO iron(iii) hydroxide iron(iii) oxide + water 2 Fe(OH) 3 Fe 2 O H 2 O 55. aluminum sulfate + sodium bicarbonate aluminum hydroxide + sodium sulfate + carbon dioxide Al 2 (SO 4 ) NaHCO 3 2 Al(OH) Na 2 SO CO calcium phosphate + silicon dioxide + carbon phosphorus + calcium silicate + carbon monoxide Ca 3 (PO 4 ) SiO C 2 P + 3 CaSiO CO 57. magnesium nitride + water magnesium hydroxide + ammonia Mg 3 N H 2 O 3 Mg(OH) NH arsenic + oxygen diarsenic trioxide 4 As + 3 O 2 2 As 2 O cupric oxide + ammonia copper + water + nitrogen 3 CuO + 2 NH 3 3 Cu + 3 H 2 O + N ammonium dichromate chromium(iii) oxide + nitrogen + water (NH 4 ) 2 Cr 2 O 7 Cr 2 O 3 + N 2 + 4H 2 O Balancing Chemical Equations From Names Answers - Page 4 of 5

5 61. barium bromide + sodium phosphate barium phosphate + sodium bromide 3 BaBr Na 3 PO 4 Ba 3 (PO 4 ) NaBr 62. lead(ii) sulfide + lead(ii) oxide lead + sulfur dioxide PbS + 2 PbO 3 Pb + SO aluminum hydroxide aluminum oxide + water 2 Al(OH) 3 Al 2 O H 2 O 64. nitrogen + hydrogen ammonia N H 2 2 NH silicon dioxide + hydrofluoric acid water + silicon tetrafluoride SiO HF 2 H 2 O + SiF sodium hypochlorite sodium chloride + sodium chlorate 3 NaClO 2 NaCl + NaClO zinc arsenide + hydrochloric acid arsine (AsH 3 ) + zinc chloride Zn 3 As HCl 2 AsH ZnCl diboron trioxide + magnesium magnesium oxide + boron B 2 O Mg 3 MgO + 2 B 69. iron(ii) cyanide + potassium cyanide potassium ferrocyanide Fe(CN) 2 + KCN K 4 Fe(CN) 6 Balancing Chemical Equations From Names Answers - Page 5 of 5

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