Oxidation-Reduction Equations Complete and balance the following equations: 1 Na (s) + H2O (l) ? NaOH (aq) + H2 (g) 2 Fe (s) + O2 (g) ? Fe2O3 (s) 3 C3H8 (g) + O2 (g) ? CO2 (g) + H2O (l) 4 P (s) + Cl2 (g) ? PCl5 (g) 5 NaBr (aq) + Cl2 (g) ? NaCl (aq) + Br2 (g) 6 Zn (s) + HCl (aq) ? ZnCl2 (aq) + H2 (g) 7 S8 (g) + O2 (g) ? SO2 (g) 8 AgCl (aq) + Cu (s) ? Ag (s) + CuCl2 (aq) 9 Ag2S (aq) + Al (s) + H2O (l) ? Ag (s) + Al(OH)3 (aq) + H2S (g) 10 C (s) + O2 (g) ? CO (g) Solution 1) 2 Na + 2 H2O = 2 NaOH + H2 2) 4Fe + 3 O2 = 2 Fe2O3 3) C3H8 (g) + 5 O2 (g) ? 3CO2 (g) + 4 H2O 4) P2 (s) +5 Cl2 (g) ?2 PCl5 (g) 5) 2 NaBr (aq) + Cl2 (g) ?2 NaCl (aq) + Br2 (g) 6 ) Zn (s) + 2HCl (aq) ? ZnCl2 (aq) + H2 (g) 7) S8 (g) +8O2 (g) ? 8SO2 (g) 8) 2 AgCl (aq) + Cu (s) ? 2Ag (s) + CuCl2 (aq) 9) 3Ag2S (aq) + 2Al (s) +6 H2O (l) ? 6Ag (s) + 2Al(OH)3 (aq) + 3H2S (g) 10) 2C (s) + O2 (g) ? 2CO (g) .