Question

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

Answer 1

2Cu(NO3)2 →t→ 2CuO + 4NO2↑ + O2↑

CuO + H2SO4 = CuSO4 + H2O

CuSO4 + NaOH = Cu(OH(2↓ + Na2SO4

Cu(OH)2 →t→ CuO + H2O

Answer 2

The sequence you've provided appears to represent a series of chemical reactions involving copper compounds. Let's break down each step:

1. Cu(NO3)2 (Copper(II) Nitrate): This is a copper salt in the form of a nitrate. It is a blue-green crystalline solid, often used in chemical reactions and laboratory experiments.

2. CuO (Copper(II) Oxide): In this step, copper(II) nitrate (Cu(NO3)2) likely undergoes a decomposition reaction to form copper(II) oxide (CuO). This reaction would typically involve heating Cu(NO3)2 to produce CuO and nitrogen dioxide gas (NO2).

3. CuSO4 (Copper(II) Sulfate): It's possible that CuO is then reacted with sulfuric acid (H2SO4) to produce copper(II) sulfate (CuSO4). This reaction would involve the dissolution of CuO in H2SO4 to form CuSO4.

4. Cu(OH)2 (Copper(II) Hydroxide): Copper sulfate (CuSO4) may then be reacted with a base, such as sodium hydroxide (NaOH) or potassium hydroxide (KOH), to form copper(II) hydroxide (Cu(OH)2). This reaction would involve a double displacement reaction where the sulfate ion (SO4^2-) is replaced by the hydroxide ion (OH^-).

5. CuO (Copper(II) Oxide): Finally, copper(II) hydroxide (Cu(OH)2) could be heated or undergo some other process to convert it back into copper(II) oxide (CuO).

The overall reaction sequence seems to involve various chemical transformations of copper ions in different oxidation states and chemical environments. If you have specific questions about any of these reactions or need further details about a particular step, please feel free to ask.