Question

Mg->MgO->Mg(OH)2->Mg3(PO4)2​

Answer 1

2Mg + O2 = 2MgO

MgO + H2O = Mg(OH)2

Mg(OH)2 + H3PO4 = Mg3(PO4)2 +H2O

Answer 2

It looks like you've provided a sequence of chemical reactions involving magnesium (Mg) and various compounds. Let me break down the reactions step by step:

1. Mg → MgO (Magnesium Oxide): In this reaction, magnesium (Mg) reacts with oxygen (O2) to form magnesium oxide (MgO). The balanced chemical equation for this reaction is:

   2 Mg + O2 → 2 MgO

2. MgO → Mg(OH)2 (Magnesium Hydroxide): Magnesium oxide (MgO) can react with water (H2O) to form magnesium hydroxide (Mg(OH)2). The balanced chemical equation for this reaction is:

   MgO + H2O → Mg(OH)2

3. Mg(OH)2 → Mg3(PO4)2 (Magnesium Phosphate): Magnesium hydroxide (Mg(OH)2) can react with phosphoric acid (H3PO4) to form magnesium phosphate (Mg3(PO4)2). The balanced chemical equation for this reaction is a bit more complex:

   3 Mg(OH)2 + 2 H3PO4 → Mg3(PO4)2 + 6 H2O

This sequence of reactions involves the transformation of magnesium through different compounds: from magnesium metal to magnesium oxide, then to magnesium hydroxide, and finally to magnesium phosphate. Keep in mind that these reactions might require specific conditions such as temperature, pressure, and the presence of catalysts or reactants, and the actual outcome might depend on these factors.