1) zn-zno-znso4-zn(oh)2-zncl2-zn(oh)2-zno-zn 2)cu - вопрос №1422221569438 от olgagolova2007 10.09.2020 08:20

Question

Химия: 1) zn-zno-znso4-zn(oh)2-zncl2-zn(oh)2-zno-zn 2)cu - cuo - cucl2 - cu(oh)2 - cuo - cu(no3)2- cuo - cu

olgagolova2007 · Answer

2 Zn+ O2 = 2 ZnO ZnO+ C = Zn+ CO  ZnO + H2SO4= ZnSO4 + H2O    2Cu+O2=2CuO CuO+2HCl = CuCl2 + H2O  CuCl2+2NaOH = Cu(OH)2 + 2NaCl Cu(OH)2 + 2HNO3 = Cu (NO3)2 +2 H2O 3CuO+2NH3= 3Cu + N2 + 3H2O...

1) zn-zno-znso4-zn(oh)2-zncl2-zn(oh)2-zno-zn 2)cu -> cuo -> cucl2 -> cu(oh)2 -> cuo -> cu(no3)2-> cuo -> cu