Question

CuSO4→Cu→Cu(NO3)2→Cu(OH)2→CuO→CuCl2→Cu

Answer 1

Объяснение:

1) CuSO₄ + Fe → Cu + FeSO₄

2) Cu + 4HNO₃ → Cu(NO₃)₂ + 2NO₂↑ + 2H₂O

3) Cu(NO₃)₂ + 2NaOH → Cu(OH)₂↓ + 2NaNO₃

4) Cu(OH)₂ (t°) → CuO + H₂O

5) CuO + 2HCl → CuCl₂ + H₂O

6) CuCl₂ + Fe → Cu + FeCl₂

Answer 2

The sequence you've provided appears to be a series of chemical reactions involving copper (Cu) and various compounds. Let's break down each step of the reaction sequence:

1. CuSO4 (Copper(II) sulfate): This is the starting compound in the sequence. CuSO4 is a blue crystalline solid and is often used in various chemical processes.

2. Cu (Copper metal): It seems that CuSO4 is reduced to elemental copper (Cu). This reduction reaction typically requires a reducing agent such as hydrogen gas or zinc metal.

3. Cu(NO3)2 (Copper(II) nitrate): Copper metal (Cu) is reacted with nitric acid (HNO3) to form copper(II) nitrate. This reaction involves the oxidation of copper to copper(II) ions.

4. Cu(OH)2 (Copper(II) hydroxide): Copper(II) nitrate (Cu(NO3)2) can be reacted with a base (such as sodium hydroxide, NaOH) to form copper(II) hydroxide, which is a blue-green solid.

5. CuO (Copper(II) oxide): Copper(II) hydroxide (Cu(OH)2) can be thermally decomposed to form copper(II) oxide (CuO), which is a black solid.

6. CuCl2 (Copper(II) chloride): It appears that copper(II) oxide (CuO) is then reacted with hydrochloric acid (HCl) to form copper(II) chloride (CuCl2).

7. Cu (Copper metal): Finally, the copper(II) chloride (CuCl2) may be reduced back to elemental copper (Cu), possibly by using a reducing agent like hydrogen gas or another suitable method.

Please note that the specific conditions and reagents used in each step of the reaction sequence can vary, and the overall sequence may not be a practical or common chemical process. Additionally, safety precautions should be taken when working with chemicals, especially those involving strong acids or bases.