Ответ:
1) 2Fe + 3Cl2 = 2FeCl3
2) 2Cr(OH)3 = Cr2O3 + 3H2O
3) 2Mn2O7 = 4MnO2 + 3O2
4) 2H2S + O2 = 2S + 2H2O
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Ответ:
1) 2Fe + 3Cl2 = 2FeCl3
2) 2Cr(OH)3 = Cr2O3 + 3H2O
3) 2Mn2O7 = 4MnO2 + 3O2
4) 2H2S + O2 = 2S + 2H2O