First balancing equations worksheet

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First balancing equations worksheet

  1. 1. Name ___________________________________ Date _________________________ Period _____ First Balancing Equations Worksheet Balance the following equations by placing coefficient numbers in the appropriate blanks. Remember, do not write “1’s.” Some of the equations may already be balanced. If so, write “balanced” to the right of the equation. You may work on your own paper if needed. 1. ___ H2 + ___ O2 →___ H2O 2. ___ N2 + ___ H2 → ___ NH3 3. ___ S8 + ___ O2 -→ ___ SO3 4. ___ HgO → ___ Hg + ___ O2 5. ___ Zn + ___ HCl → ___ ZnCl2 + ___ H2 6. ___ C10H16 + ___ Cl2 → ___ C + ___ HCl 7. ___ Fe + ___ O2 →___ Fe2O3 8. ___ Fe2(SO4)3 + ___ KOH → ___ K2SO4 + ___ Fe(OH)3 9. ___ Al + ___ FeO → ___ Al2O3 + ___ Fe 10. ___ K + ___ Br2 → ___ KBr 11. ___ P4 + ___ O2 → ___ P2O5 12. ___ MgBr2 → ___ Mg + ___ Br2 13. ___ Al + ___ O2 → ___ Al2O3 14. ___ SiO2 + ___ HF → ___ SiF4 + ___ H2O 15. ___ C + ___ H2O → ___ CO + ___ H2 16. ___ KClO3 → ___ KCl + ___ O2 17. ___ Al2(SO4)3 + ___ Ca(OH)2 → ___ Al(OH)3 + ___ CaSO4 18. ___ FeCl3 + ___ NH4OH → ___ Fe(OH)3 + ___ NH4Cl 19. ___ Sb + ___ O2 → ___ Sb4O6 20. ___ Al + ___ HCl → ___ AlCl3 + ___ H2 21. ___ H2S + ___ Cl2 → ___ S8 + ___ HCl 22. ___ Mg + ___ N2 ---> ___ Mg3N2

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