Essential Chemistry for IGCSE - Chemical Reactions (Section 1 - No. 10)
In the Haber process (N2(g) + 3H2(g) ⇌ 2NH3(g)), what effect does increasing the pressure have on the yield of ammonia?
Decreases the yield.
Increases the yield.
Has no effect on the yield.
The yield depends on the temperature.
Explanation
Increasing the pressure favors the side with fewer gas molecules (the product side in this case), which increases the yield of ammonia.
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