Решить: S+02 -> N2+H2 -> H2+Br2 -> FeO+C -> KH+HOH -> CaH2+HOH ->
1)2S +O2 = 2SO 2)N2+3H2 -> 2NH3 3)H2+Br2 ->2HBr 4)FeO+C ->Fe+CO 5)KH+HOH ->KOH + H2 6)CaH2+HOH ->CaOH2 + H2