Which of the following statements is true? A. The rate of all chemical reactions doubles for every 10 oC increase in temperature. B. Decreasing the activation energy of a reaction decreases the reaction rate. C. Catalysts increase the reaction rate without getting used up in the reaction. D. All of the Above E. None of the Above

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 .

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explanation:

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