Answer
$8H^{+} + N_{2} (g) +6 e^{-} → 2NH_{4}^{+} (aq)$
This is a reduction reaction
Work Step by Step
We add H on the left hand side to balance the equation. Since Nitrogen is going from oxidation state of 0 to -3, this is a reduction reaction.
Chemistry: The Central Science (13th Edition)
by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.
Published by
Prentice Hall
ISBN 10:
0321910419
ISBN 13:
978-0-32191-041-7
Chapter 20 - Electrochemistry - Exercises - Page 901: 20.23d
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