Напишите реакции переходов.
Cu-CuO-CuCl2-Cu(OH)2-Cu(NO3)2-Cu
S-SO2-SO3-H2SO4-K2SO4-BaSO4
Cu-CuO-CuCl2-Cu(OH)2-Cu(NO3)2-Cu
S-SO2-SO3-H2SO4-K2SO4-BaSO4
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Answers & Comments
CuO + 2HCl = CuCl2 + H2O
CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 + 2HNO3 = Cu(NO3)2 + 2H2O
2Cu(NO3)2 (t)= 2CuO + 4NO2 + O2
S + O2 = SO2
2SO2 + O2 = 2SO3
SO3 + H2O = H2SO4
H2SO4 + 2KOH = K2SO4 + 2H2O
K2SO4 + Ba(OH)2 = 2KOH + BaSO4.