Question

Zn-ZnO-Zn(OH)2-ZnO-ZnCl2-ZnSO4

Answer 1

2Zn+O2=>2ZnO
ZnO+H2O=>Zn(OH)2
Zn(OH)2=ZnO+H2O
ZnO+2HCl=>ZnCl2+H2O
В последней реакция не пойдет

Answer 2

The sequence you provided appears to be a series of chemical reactions involving zinc (Zn) and its various compounds. Let's break down the reactions step by step:

1. Zn + O2 → ZnO: This is a synthesis reaction where zinc (Zn) reacts with oxygen (O2) to form zinc oxide (ZnO). The balanced chemical equation is 2Zn + O2 → 2ZnO.

2. ZnO + H2O → Zn(OH)2: Here, zinc oxide (ZnO) reacts with water (H2O) to produce zinc hydroxide (Zn(OH)2).

3. Zn(OH)2 → ZnO + H2O: This reaction represents the decomposition of zinc hydroxide (Zn(OH)2) into zinc oxide (ZnO) and water (H2O).

4. ZnO + 2HCl → ZnCl2 + H2O: Zinc oxide (ZnO) reacts with hydrochloric acid (HCl) to form zinc chloride (ZnCl2) and water (H2O).

5. ZnCl2 + H2O → ZnO + 2HCl: In this reaction, zinc chloride (ZnCl2) reacts with water (H2O) to regenerate zinc oxide (ZnO) and hydrochloric acid (HCl).

6. ZnO + H2SO4 → ZnSO4 + H2O: Lastly, zinc oxide (ZnO) reacts with sulfuric acid (H2SO4) to produce zinc sulfate (ZnSO4) and water (H2O).

Overall, the given sequence represents a series of interconverting reactions involving zinc, zinc oxide, zinc hydroxide, zinc chloride, and zinc sulfate. It's important to note that these reactions are simplified representations, and the actual reaction conditions, stoichiometry, and specific reaction mechanisms may vary depending on the experimental setup and other factors.