The mechanical system is determined by
adding the potential'and kinetic
energy together.
)
energy in a

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 .

hurricanes form in warm water

that tool would be a compass

the correct answer is:

a. formation of precipitation