Question

Cu--Cu(No3)2--CuO--CuSO4--Cu--Cu(OH)2

Answer 1

Cu+2NaNO3=Cu(NO3)2+2Na
Cu(NO3)2+H2O=CuO+HNO3
CuO+MgSO4=CuSO4+MgO
CuSO4+Fe=FeSO4+Cu
Cu+H2O+O2=Cu(OH)2

Answer 2

It seems like you've provided a sequence of chemical reactions involving copper compounds. Let me explain each step:

1. Cu: This represents copper in its elemental form.

2. Cu(NO3)2: This is copper(II) nitrate, a compound formed by combining copper ions (Cu²⁺) with nitrate ions (NO₃⁻).

3. CuO: This is copper(II) oxide, a compound formed by the oxidation of copper. It's created when copper reacts with oxygen.

4. CuSO4: This is copper(II) sulfate, a compound formed by combining copper ions with sulfate ions (SO₄²⁻).

5. Cu: Once again, this step represents copper in its elemental form, suggesting a reduction reaction may have occurred.

6. Cu(OH)2: This is copper(II) hydroxide, a compound formed by reacting copper ions with hydroxide ions (OH⁻).

It appears that this sequence of reactions involves transformations between different copper compounds through processes such as oxidation, reduction, and precipitation. If you have specific questions about any of these reactions or the overall sequence, feel free to ask!