Question

1.  CH4 + 2O2 → 2CO2 + 2H2O = Balanced or Unbalanced

2.  SnO2 + 2H2 → Sn + H2O = Balanced or Unbalanced
3.  4Al + 3O2 → 2Al2O3 = Balanced or Unbalanced
4.  N2 + 3H2 → NH3 = Balanced or Unbalanced
5.  2Zn + 2HCl → ZnCl2 + H2 = Balanced or Unbalanced
6.  4FeS + 7O2 → 2Fe2O3 + 4SO4 = Balanced or Unbalanced
7.  2 AgI + Na2S → 2Ag2S + 2NaI = Balanced or Unbalanced
8.  Ca3(PO4) + 2H2SO4 → 2 CaSO4 + Ca(H2PO4) 2 = Balanced or Unbalanced

Answer 1

1)unbalanced

2)Unbalanced

3)unbalanced

4)Unbalanced

5)Unbalanced

6)Unbalanced

7)Unbalanced

this might be wrong but i didnt see the same amount of certain elements on both sides