Question

,ə) Al → Al203 → AICI3 → Al(OH)3 → Al203 → Al2(S04)3​

Answer 1

Ответ:

1) 4Al+3O2→2Al2O3

2) Al2O3+6HCl→2AlCl3+3H2O

3) AlCl3+3KOH→Al(OH)3+3KCl

4) Al(OH)3→Al2O3+H2O

5) Al203+3H2SO4 → Al2(SO4)3+3H2O

Объяснение:

Answer 2

It looks like you've provided a sequence of chemical reactions involving various compounds of aluminum (Al) and related substances. This sequence appears to describe the transformation of aluminum compounds through a series of reactions. I can provide you with an overview of these reactions:

1. Al: This likely refers to elemental aluminum.

2. Al2O3 (Aluminum Oxide): Elemental aluminum reacts with oxygen to form aluminum oxide, often referred to as alumina.

3. AlCl3 (Aluminum Chloride): Aluminum oxide can react with hydrochloric acid (HCl) to form aluminum chloride.

4. Al(OH)3 (Aluminum Hydroxide): Aluminum chloride can react with water (H2O) to form aluminum hydroxide.

5. Al2O3 (Aluminum Oxide): Aluminum hydroxide can undergo a dehydration reaction to reform aluminum oxide.

6. Al2(SO4)3 (Aluminum Sulfate): Aluminum oxide can react with sulfuric acid (H2SO4) to form aluminum sulfate.

Please note that these reactions are simplified and may involve specific reaction conditions, stoichiometry, and intermediate steps that are not detailed here. Also, the sequence you provided may be part of a larger chemical process or industrial application.

If you have any specific questions about these reactions or need more detailed information, please feel free to ask.