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18-02-2020
Chemistry

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What is the balanced chemical equation for the word equation below?

Iron and oxygen react to form iron III oxide.

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anfabba15 anfabba15

18-02-2020

Answer:

4Fe + 3O₂ → 2Fe₂O₃

Explanation:

Fe → ²⁺

O → ²⁻

But Iron III is Fe³⁺

So we have Fe³⁺ and O²⁻, the formula for the oxide must be Fe₂O₃ so the equation can be:

4Fe + 3O₂ → 2Fe₂O₃

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