Bias or personal opinions never influence scientific results

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 .

3 hours because it is a decent distance.

b) nuclear ive learned that in a pedtrodic table