Question

Cu-CuO-CuCl-Cu(Oh) - CuO-CuSO

Answer 1

2Cu + O2 = 2CuO
CuO + 2HC1(разб. ) = CuCl2 + H2O
CuCl2 + 2NaOH(разб. ) = Cu(OH)2↓ + 2NaCl
Cu(OH)2 = CuO + H2O
CuO + H2SO4 = CuSO4 + H2O