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11 September, 14:57

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

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  1. 11 September, 18:04
    0
    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
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