Firefighters recommend you do not run out of a burning house but that you drop to the floor and crawl out to escape

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it