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Balancing Equations
1. ____H2 + ____O2  ____H2O
2. ____H3PO4 + ____KOH  ____K3PO4 + ____H2O
3. ____K + ____B2O3  ____K2O + ____B
4. ____HCl + ____NaOH  ____NaCl + ____H2O
5. ____Na + ____NaNO3  ____Na2O + ____N2
6. ____C + ____S8  ____CS2
7. ____Na + ____O2  ____Na2O2
8. ____N2 + ____O2  ____N2O5
9. ____H3PO4 + ____Mg(OH)2  ____Mg3(PO4)2 + ____H2O
10. ____NaOH + ____H2CO3  ____Na2CO3 + ____H2O
11. _____KOH + ____HBr  ____KBr + ____H2O
12. ______H2 + ____O2  ____H2O2
13. ____Na + ____O2  ____Na2O
14. ____Al(OH)3 + ____H2CO3 ____Al2(CO3)3 + ____H2O
15. ____Al + ____S8  ____Al2S3
16. ____Cs + ____N2  ____Cs3N
17. ____Mg + ____Cl2  ____MgCl2
18. ____Rb + ____RbNO3  ____Rb2O + ____N2
19. ____C6H6 + ____O2  ____CO2 + ____H2O
20. ____N2 + ____H2  ____NH3

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Balancing equations worksheet

  • 1. Balancing Equations 1. ____H2 + ____O2  ____H2O 2. ____H3PO4 + ____KOH  ____K3PO4 + ____H2O 3. ____K + ____B2O3  ____K2O + ____B 4. ____HCl + ____NaOH  ____NaCl + ____H2O 5. ____Na + ____NaNO3  ____Na2O + ____N2 6. ____C + ____S8  ____CS2 7. ____Na + ____O2  ____Na2O2 8. ____N2 + ____O2  ____N2O5 9. ____H3PO4 + ____Mg(OH)2  ____Mg3(PO4)2 + ____H2O 10. ____NaOH + ____H2CO3  ____Na2CO3 + ____H2O 11. _____KOH + ____HBr  ____KBr + ____H2O 12. ______H2 + ____O2  ____H2O2 13. ____Na + ____O2  ____Na2O 14. ____Al(OH)3 + ____H2CO3 ____Al2(CO3)3 + ____H2O
  • 2. 15. ____Al + ____S8  ____Al2S3 16. ____Cs + ____N2  ____Cs3N 17. ____Mg + ____Cl2  ____MgCl2 18. ____Rb + ____RbNO3  ____Rb2O + ____N2 19. ____C6H6 + ____O2  ____CO2 + ____H2O 20. ____N2 + ____H2  ____NH3