Решите ! 1)zno-zn-h2-hcl-h2-kh-koh 2)h2-h2o-o2-cuo-h2o-h2-h2s - вопрос №86411631222222222 от Yuliaferyuo 10.01.2020 10:28

Question

Химия: Решите ! 1)zno-zn-h2-hcl-h2-kh-koh 2)h2-h2o-o2-cuo-h2o-h2-h2s

Yuliaferyuo · Answer

1) ZnO + H2 = Zn + H2OZn + 2HCl = ZnCl2 + H2↑H2 + 2Cl = 2HClHCl + Zn = ZnCl + H2↑2K + H2 = 2KHKH + H2O = KOH + H2↑2) 2H2 + O2 = 2H2O2H2O = 2H2↑ + O2↑2Cu + O2 = 2CuOCuO + H2 = Cu + H2O2H2O = 2H2↑ + O2↑H2 + S = H2S↑...