Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 3 - Chemical Reactions - Questions for Review and Thought - Topical Questions - Page 149e: 63a

Answer

$4Fe + 3O_2 --> 2Fe_2O_3$

Work Step by Step

First, write Fe and $O_2$ on the left side of the equation, and write a compound that has the right proportion of each (in order to make the compound neutral) on the right side of the equation. Finally, balance the chemical equation.
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