Match each synthetic polymer to its use. polystyrene foam
used for ropes and nets
polyethylene
used for tires and soles of shoes
nylon
used for packaging materials
vulcanized rubber
used for plastic toys
5) Intro
Done
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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 .