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4Fe + 3O2 --------> 2Fe2O3 so there are 3 oxygen molecule reacatnts and thus 6 oxygen atoms in the reactants.

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12y ago

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How many compounds are present in the reactant side of the chemical equation 4Fe plus 3O2 arrow 2Fe2O3?

There are two compounds present on the reactant side of the chemical equation: iron (Fe) and oxygen (O2).


Which equation correctly balances the chemical equation O Fe Fe2O3?

The balanced chemical equation for the formation of Fe2O3 from Fe and O is: 4Fe + 3O2 -> 2Fe2O3


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The formula for iron (III) oxide is FeCl3, whether the formula is in a balanced equation or anywhere else where the formula is properly used.


What is a balanced equation for Fe plus O2Fe2O3?

4Fe + 3O2 --> 2Fe2O3


What chemical change of rusting of iron?

The rusting of iron is a chemical change, where iron and oxygen are the reactants and rust is the product. The basic equation for this reaction is: 4Fe + 3O2 --> 2Fe2O3


What coefficients balance the equation Fe O2 Fe2O3?

The balance equation would be 4Fe + 3O2 ==> 2Fe2O3, so the coefficients are 4, 3, 2.


Iron reacts with oxygen in the air to make rust. Which of the chemical equations matches the reaction above?

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What are the chemical symbols for iron and oxygen?

The chemical symbol for iron is Fe and for oxygen is O.


What is the detailed formula for rusting?

Isn't moisture also involved in it? so shouldn't H2O be a reactant also? EDIT: Yes, water (H2O) is required, but since the amount of H2O is the same on each side of the equation, it is not included in the chemically balanced equation. (Dr.J.)


Which equation obeys the law of conservation of mass?

The equation 2H2 + O2 -> 2H2O obeys the law of conservation of mass. This balanced chemical equation shows that the total mass of the reactants (hydrogen and oxygen) equals the total mass of the products (water).