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The formula for magnesium oxide is MgO, showing that each formula unit of magnesium oxide contains one mole of magnesium ions. Therefore, if there is ample oxygen available, 4 moles of magnesium will form 4 moles of magnesium oxide.

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Q: How many moles of magnesium oxide re formed when 4 moles of magnesium react with oxygen this is the formula for the reaction?
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When magnesium combines with oxygen what does the reaction involve?

Magnesium reacts violently with oxygen to make Magnesium Oxide


What is the reducing agent in a reaction of magnesium with oxygen?

This is oxygen.


Is burning magnesium an oxidation-reduction reaction?

You cannot 'burn' MgO, it is refactory. I take it you mean burning Magnesium metal in oxygen - if so the answer is that the magnesium is oxidised to MgO and the oxygen is reduced - all reduction/oxidation ('redox') reactions are coupled - if something is oxidised the other is reduced.


How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen Here is the formula 2 Mg plus O 2 is equal to 2 Mg O?

From the formula, you have 2 atoms of Magnesium combine with one oxygen molecule to form 2 molecules of magnesium oxide. So when 4 magnesium atoms combine with two molecules of oxygen you get 4 magnesium oxide molecules. So from 4 moles of magnesium you get 4 moles of Magnesium oxide.


How can you justify that a reaction between magnesium and oxygen is a redox reaction whioe the reaction shows only addition of oxygen?

In any redox reaction, at least one reactant is reduced and at least one reactant is oxidized. In the reaction between magnesium and oxygen, the magnesium atoms are oxidized because they lose electrons and the oxygen atoms are reduced because they gain electrons. Furthermore, the premise of the question is erroneous: The reaction does not as alleged show only addition of oxygen; instead it shows combination of magnesium and oxygen to form a new chemical entity, the compound magnesium oxide.

Related questions

The chemical formula of the product formed from the reaction between Magnesium and Oxygen is?

MgO


What is the compound formula formed between magnesium and oxygen?

The compound formula formed between magnesium and oxygen leads to the formation of magnesium oxide.The reaction for the above reaction can be represented as :2Mg(s) + O2(g) 2MgO(s)


In the reaction between magnesium and oxygen the mass of magnesium and oxygen was 2.5 grams how much magnesium oxide was formed?

340 grams


What happens when magnesium reacts with air?

A white powdery substance is formed.It is Magnesium oxide which is formed by the reaction of magnesium with oxygen.


What is the formula for ionic compound formed by the reaction of the elements barium and oxygen?

BaBr2


What is the correct name for magnesium and oxygen?

The compound formed by magnesium and oxygen is called magnesium oxide.


When magnesium combines with oxygen what does the reaction involve?

Magnesium reacts violently with oxygen to make Magnesium Oxide


What is the chemical formula formed from the reaction between Mg and toe oxygen atoms?

MgO2


What is the reducing agent in a reaction of magnesium with oxygen?

This is oxygen.


Is burning magnesium an oxidation-reduction reaction?

You cannot 'burn' MgO, it is refactory. I take it you mean burning Magnesium metal in oxygen - if so the answer is that the magnesium is oxidised to MgO and the oxygen is reduced - all reduction/oxidation ('redox') reactions are coupled - if something is oxidised the other is reduced.


How can you justify that a reaction between magnesium and oxygen is a redox reactionwhile the reaction shows only addition of oxygen?

Magnesium loss electrons and oxygen gain electrons.


What reaction is it when magnesium is burnt in air?

Magnesium plus oxygen becomes magnesium oxide.