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CGP EDU Academic Team
Published on: August 13, 2026
For N 2 (g) + 3H 2 (g) → 2NH 3 (g) + 22 kcal, E a for the reaction is 70 kcal. Hence, the activation energy for 2NH 3 (g) → N 2 (g) + 3H 2 (g) is
Text Solution
Verified by ExpertsThe correct answer is:
A
Δ H = E f – E b
–22 = 70 – E b
E b = 92 kcal
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