AQA · GCSE · Chemistry · Higher
Ammonia recycling in Haber process
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Marking points
- 1 Explains that unreacted/remaining nitrogen and hydrogen are recycled or returned to the reactor.
Full-mark answer
Pipe P recycles the unreacted nitrogen and hydrogen from the condenser back into the reactor.
Why this answer loses marks
The pipe cools the ammonia so that it reacts again.
The condenser removes ammonia; the pipe is for returning unreacted nitrogen and hydrogen to the reactor.
