General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 2 - Atoms, Molecules, and Ions - Questions and Problems - Page 81: 2.28

Answer

Please see the work below.

Work Step by Step

If we change the subscripts of the compounds participating in a chemical reaction then the substances will not be the same in the chemical equation e.g by changing $N_2$to $N$, it shows two different substances.
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