Write the reaction equation: Cu-CuO-Cu (NO3) 2-Cu (OH) -CuO-CuO4-CuCl-Cu (NO3) 2

1. Copper (II) oxide is obtained as a result of copper oxidation.

2 Cu + O2 = 2CuO.

2. Copper (II) nitrate is obtained as a result of the reaction of oxide and nitric acid.

CuO + 2HNO3 = Cu (NO3) 2 + H2O.

3. Copper (II) hydroxide is obtained by the interaction of copper nitrate and alkali.

Cu (NO3) 2 + 2NaOH = Cu (OH) 2 ↓ + 2NaOH.

4. Copper oxide is obtained by decomposition by heating copper (II) hydroxide.

Cu (OH) 2 = CuO + H2O.

5. As a result of the reaction between copper oxide and sulfuric acid, copper sulfate and water are obtained.

CuO + H2SO4 = CuSO4 + H2O.

6. The products of the reaction between copper sulfate and hydrochloric acid are copper (II) chloride and sulfuric acid.

CuSO4 + 2HCl = CuCl2 + H2SO4.

7. Copper nitrate is obtained by the reaction of copper chloride and nitric acid.

CuCl2 + 2HNO3 = Cu (NO3) 2 + 2HCl.



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