Which statement about the forward reaction N₂(g) + 3H₂(g) → 2NH₃(g) in the Haber process is correct?
Correct answer C. It is exothermic and decreases the number of gas molecules
Explanation
The forward reaction releases about 92 kJ per 2 mol of NH₃ and converts 4 mol of gas into 2 mol, so low temperature and high pressure favour ammonia.
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