N2 + 3H2 2NH3 + 22 kca is exothermic or endothermic
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2
Answer:
+72kcal
Explanation:
N
2
(g)+3H
2
(g)⇌2NH
3
(g)+22kcal
As there is 22Kcal heat is released so its exothermic.
∵ The activation energy for the forward reaction =50kcal
∴ The activation energy for the backward reaction =50+22=+72kcal.
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