How many oxygen atoms are present on the reactant side of the chemical equation #4Fe + 3O_2 -> 2Fe_2O#?

Answer 1

#4Fe(s)+3O_2(g)rarr2Fe_2O_3#

Clearly, there are #6# oxygen atoms on the left hand side of the equation; and, equally clearly, there are #6# oxygen atoms on the right hand side of the equation, as indeed there must be in a stoichiometrically balanced equation.

Particular concern is the oxidation of iron in structures; refer here.

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Answer 2

On the reactant side of the chemical equation, there are six oxygen atoms.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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