General Chemistry

Calculations Based of Equations

Sheet No. 5

BALANCE THE FOLLOWING EQUATIONS:

1. 4BCl₃ + P₄ + 6H₂ 4BP + 12HCl

2. 2C₂H₂Cl₄ + Ca(OH)₂ 2C₂HCl₃ + CaCl₂ + 2H₂O

3. (NH₄)₂Cr₂O₇ N₂ + Cr₂O₃ + 4H₂O

4. Zn₃Sb₂ + 6H₂O 3Zn(OH)₂ + 2SbH₃

5. 12HClO₄ + P₄O₁₀ 4H₃PO₄ + 6Cl₂O₇

6. 4C₆H₅Cl + SiCl₄ + 8Na (C₆H₅)₄Si + 8NaCl

7. Sb₂S₃ + 12HCl 2H₃SbCl₆ + 3H₂S

8. 3IBr + 4NH₃ NI₃ + 3NH₄Br

9. 2KrF₂ + 2H₂O 2Kr + O₂ + 4HF

10. Na₂CO₃ + 4C + N₂ 2NaCN + 3CO

11. Fe(CO)₅ + 4NaOH Na₂Fe(CO)₄ + Na₂CO₃ + 2H₂O

12. C₅H₁₁OH + 7.5O₂ 5CO₂ + 6H₂O or 2C₅H₁₁OH + 15O₂ 10CO₂ + 12H₂O

13. CaH₂ + 2H₂O Ca(OH)₂ + 2H₂

14. 4Fe + 3O₂ 2Fe₂O₃

15. 2ZnS + 3O₂ 2ZnO + 2SO₂

16. C₄H₁₀ + 6.5O₂ 4CO₂ + 5H₂O or 2C₄H₁₀ + 13O₂ 8CO₂ + 10H₂O

17. C₆H₁₂O₆ 2C₂H₅OH + 2CO₂

18. 2NaCl + H₂SO₄ Na₂SO₄ + 2HCl

19. Bi + 4HNO₃ + 3H₂O Bi(NO₃)₃.5H₂O + NO

20. C₇H₁₄ C₇H₈ + 3H₂

21. 2Al + Cr₂O₃ Al₂O₃ + 2Cr

22. CaO + 3C CaC₂ + CO

23. C₁₀H₈ + 4.5O₂ C₈H₄O₃ + 2CO₂ + 2H₂O or 2C₁₀H₈ + 9O₂ 2C₈H₄O₃ + 4CO₂ + 4H₂O