Iron reacts with oxygen to produce iron(III)
oxide. In the balanced equation, the coefficient of the product is

2

Explanation:

Fe + O2 → Fe2O3

To balance the equation, put 4 in front of Fe, 3 in front of O2 and 2 in front of Fe2O3.

Therefore, the balanced equation for the reaction between iron(Fe) and oxygen (O2) to produce iron(iii) is given as

4Fe + 3O2 → 2Fe2O3

From the above, the coefficients are given below

Fe => 4

O2 => 3

Fe2O3 = 2

Therefore, the coefficient of the product (Fe2O3) is 2

The coefficient of the product (Fe2O3) is 2

Explanation:

Step 1: Data given

Iron = Fe

oxygen = O2

iron(III)  oxide = Fe2O3

Step 2: The unbalanced equation

Fe + O2 → Fe2O3

Step 3: Balancing the equation

On the left side we have 2x O (in O2), on the right side we have 3x O (in Fe2O3). To balance the amount of O on both sides, we have to multiply on the left side O2 by 3 and Fe2O3 on the right side by 2.

Fe + 3O2 → 2Fe2O3

On the left side we have 1x Fe, On the right side we have 4x Fe. To balance the amount of Fe, we have to multiply Fe on the left side by 4.

4Fe + 3O2 → 2Fe2O3

The coefficient of the product (Fe2O3) is 2

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