Solve these Please. (15 points)
Balance the following chemical equations:

1) Fe + O2 → Fe2O3
2) H2 + Cl2 → HCl
3) Ag + H2S → Ag2S + H2
4) CH4 + O2 → CO2 + H2O
5) HgO → Hg + O2
6) Co + H2O → Co2O3 + H2

1) 4Fe + 3O2 → 2Fe2O3

2) H2 + Cl2 → 2HCl

3) 2Ag + H2S → Ag2S + H2

4) CH4 + 2O2 → CO2 + 2H2O

5) 2HgO → 2Hg + O2

6) 2Co + 3H2O → Co2O3 + 3H2

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