Question

Balancing chemical equations homework sheet grade 10 science

Answer 1

Answer:

Balancing Chemical Equations - Homework Sheet

Grade 10 Science

PART 1: Balance the following chemical equations

*Note, you may need to work out these balancing equations on extra paper

1. N2 + H2 g NH3

2. S8 + O2 g SO3

3. HgO g Hg + O2

4. Zn + HCl g ZnCl2 + H2

5. SiCl4 + H2O g H4SiO4 + HCl

6. Na + H2O g NaOH + H2

7. H3PO4 g H4P2O7 + H2O

8. Si2H3 + O2 g SiO2 + H2O

9. Al(OH)3 + H2SO4 g Al2(SO4)3 + H2O

10. Fe + O2 g Fe2O3

11. Fe2(SO4)3 + KOH g K2SO4 + Fe(OH)3

12. FeS2 + O2 g Fe2O3 + SO2

13. Al + FeO g Al2O3 + Fe

14. Na2CO3 + HCl g NaCl + H2O + CO2

15. K + Br2 g KBr

16. P4 + O2 g P2O5

17. C2H2 + O2 g CO2 + H2O  

18. K2O + H2O g KOH

19. H2O2 g H2O + O2

20. SiO2 + HF g SiF4 + H2O

21. C + H2O g CO + H2

22. KClO3 g KCl + O2

23. H3AsO4 g As2O5 + H2O

24. KClO3 g KClO4 + KCl

25. P4O10 + H2O g H3PO4

26. FeCl3 + NH4OH g Fe(OH)3 + NH4Cl

27. Sb + O2 g Sb4O6

28. C3H8 + O2 g CO2 + H2O

29. Mg + N2 g Mg3N2

30. Fe + H2O g Fe3O4 + H2

Answer 2

Explanation:

1. N2+3H2=====2NH3.

2.S8+12O2=====8SO3

3.2HgO=====2Hg+O2

4. Zn+2HCl=====ZnCl2+H2

5.SiCl4+4H2O=====H4SiO4+4HCl