Question

MgO→MgCl2→mgco3→mg(no3)2→mg(oh)2→mgo→mg3(po4)2

Answer 1

Ответ:

Решено

Объяснение:

МgO+2HCl = MgCl2 + H2O,

MgCl2 + K2CO3 = MgCO3↓ + 2KCl↑,

MgCO3 + 2HNO3 = Mg(NO3)2 + H2O + CO2↑,

Mg(NO3)2 + 2KOH = Mg(OH)2↓ + 2KNO3,

Mg(OH)2 =(t°)= MgO + H2O↑,

3MgO+ P2O5 = Mg3(PO4)2.

Answer 2

It looks like you've provided a sequence of chemical reactions involving magnesium compounds. This sequence seems to depict a series of reactions where magnesium oxide (MgO) undergoes various transformations. Each reaction involves the interaction of magnesium with different compounds to form new products. Here's a breakdown of the reactions:

1. MgO (Magnesium Oxide) → MgCl2 (Magnesium Chloride): Magnesium oxide reacts with hydrochloric acid (HCl) to form magnesium chloride and water:

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   MgO + 2HCl → MgCl2 + H2O
   

2. MgCl2 (Magnesium Chloride) → MgCO3 (Magnesium Carbonate): Magnesium chloride reacts with sodium carbonate (Na2CO3) to form magnesium carbonate and sodium chloride:

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   MgCl2 + Na2CO3 → MgCO3 + 2NaCl
   

3. MgCO3 (Magnesium Carbonate) → Mg(NO3)2 (Magnesium Nitrate): Magnesium carbonate reacts with nitric acid (HNO3) to form magnesium nitrate, carbon dioxide, and water:

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   MgCO3 + 2HNO3 → Mg(NO3)2 + CO2 + H2O
   

4. Mg(NO3)2 (Magnesium Nitrate) → Mg(OH)2 (Magnesium Hydroxide): Magnesium nitrate reacts with sodium hydroxide (NaOH) to form magnesium hydroxide and sodium nitrate:

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   Mg(NO3)2 + 2NaOH → Mg(OH)2 + 2NaNO3
   

5. Mg(OH)2 (Magnesium Hydroxide) → MgO (Magnesium Oxide): Magnesium hydroxide decomposes upon heating to form magnesium oxide and water:

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   Mg(OH)2 → MgO + H2O
   

6. MgO (Magnesium Oxide) → Mg3(PO4)2 (Magnesium Phosphate): Magnesium oxide reacts with phosphoric acid (H3PO4) to form magnesium phosphate and water:

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   3MgO + 2H3PO4 → Mg3(PO4)2 + 3H2O
   

It's important to note that these reactions involve various reagents and conditions, and some reactions might require specific temperatures, concentrations, or other factors for them to proceed efficiently. Also, practical considerations such as byproducts, stoichiometry, and purification steps would be involved in real-world chemical processes.