Question

Mg(OH)2=> MgCO3=>BaCO3=>BaCl2

Answer 1

А что сделать то надо ?

Answer 2

Mg+H2O=>Mg(OH)2
теперь подставляй

Answer 3

The chemical reactions you've listed show a series of transformations involving different compounds. Let's go through each step:

1. Mg(OH)2: This is magnesium hydroxide. It is a white solid often referred to as milk of magnesia, and it is slightly soluble in water.

2. MgCO3: This is magnesium carbonate. It can be formed by reacting magnesium salts with a carbonate source (e.g., sodium carbonate). It is a white solid and is sparingly soluble in water.

3. BaCO3: This is barium carbonate. It is a white solid that can be formed by reacting barium salts with a carbonate source (e.g., sodium carbonate). Like magnesium carbonate, it is also sparingly soluble in water.

4. BaCl2: This is barium chloride. It can be obtained by reacting barium carbonate with hydrochloric acid (HCl). It is a white solid and is very soluble in water.

Overall, the series of reactions you've listed suggest the transformation of magnesium hydroxide (Mg(OH)2) into barium chloride (BaCl2) via intermediate steps involving the formation of magnesium carbonate (MgCO3) and barium carbonate (BaCO3).

It's important to note that performing these reactions in a laboratory setting requires careful consideration of safety precautions, as some of the compounds involved are toxic or can release toxic gases. Chemical reactions should only be carried out by trained individuals in a controlled environment.