2015: BALANCING CHEMICAL EQUATIONS

Chapter 9: Chemical Reactions

Balancing Chemical Equations Worksheet

1. _____ Zn (s) + _____ AgNO₃ (aq) →  _____ Zn(NO₃)₂ (aq) + _____ Ag (s)

2. _____ N₂ (g) + _____ H₂ (g) → _____ NH₃ (g)

3. _____ NaCl (aq) + _____ AgC₂H₃O₂ (aq) → _____ NaC₂H₃O₂ (aq) + _____ AgCl (s)

4. _____ Mg(OH)₂ (aq) + _____ H₃PO₄ (aq) → _____ H₂O (l) + _____ Mg₃(PO₄ )₂ (aq)

5. _____ HNO₃ (aq) + _____ Ni (s) → _____ Ni(NO₃)₂ (aq) + _____ H₂ (g)

6. _____ Ba(HCO₃)₂ (s) → _____ BaCO₃ (s) + _____ H₂O (g) + _____ CO₂ (g)

7. _____ BaCl₂ (aq) + _____ Na₂SO₄ (aq) → _____ NaCl (aq) + _____ BaSO₄ (s)

8. _____ Al₂(CO₃)₃ (s) → _____ Al₂O₃ (s) + _____ CO₂ (g)

9. _____ Ca (s) + _____ H₂O (l) → _____ Ca(OH)₂ (aq) + _____ H₂ (g)

10. _____ LiHCO₃ (s) → _____ Li₂CO₃ (s) + _____ H₂O (g) + _____ CO₂(g)

11. _____ N₂ (g) + _____ O₂ (g) → _____ N₂O₅ (g)

12. _____ MgBr₂ (aq) + _____ KOH (aq) → _____ KBr (aq) + _____ Mg(OH)₂ (s)

13. _____ Mn (s) + _____ CuCl (aq) → _____ Cu (s) + _____ MnCl₂ (s)

14. _____ Zn (s) + _____ S₈ (s) → _____ ZnS (s)

15. _____ NaOH (aq) + _____ H₂SO₄ (aq) → _____ H₂O (l) + _____ Na₂SO₄ (aq)

16. _____ K (s) + _____ H₂O (l) → _____ KOH (aq) + _____ H₂ (g)

17. _____ C₅H₁₂ (l) + _____ O₂ (g) → _____ H₂O (g) + _____ CO₂ (g)

18. _____ KOH (aq) + _____ H₂CO₃ (aq) → _____ H₂O (l) + _____ K₂CO₃ (aq)

19. _____ C₄H₈O₂ (l) + _____ O₂ (g) → _____ H₂O (g) + _____ CO₂ (g)

20. _____ Al (s) + _____ S₈ (s) → _____ Al₂S₃ (s)

Answer: If it's balanced then you are right!