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Temperature: $450\\ ^{\\circ}\\text{C}$
Pressure: 200 atmospheres
Catalyst: iron

","mcqOptions":null},{"id":"5356f237-48a9-4b66-b792-1419c9e839c3","cardType":"basic","points":2,"front":"What effect does the iron catalyst have in the Haber process?","back":"It brings the mixture to equilibrium sooner without being used up.","mcqOptions":null},{"id":"858012fc-7fd4-4756-9c25-bbc75e250de1","cardType":"basic","points":2,"front":"Why are the gases leaving the reactor cooled?","back":"Cooling causes ammonia to condense into a liquid.","mcqOptions":null},{"id":"3bfff755-0677-49b2-87c9-9f049b661f01","cardType":"basic","points":2,"front":"How is ammonia separated from the unreacted gases?","back":"Ammonia condenses to a liquid, while nitrogen and hydrogen remain as gases.","mcqOptions":null},{"id":"4b2cde0d-2f1e-4223-8501-c410a840de82","cardType":"basic","points":1,"front":"What happens to the unreacted nitrogen and hydrogen?","back":"They are pumped back into the reactor.","mcqOptions":null},{"id":"1ff19539-6d7b-4938-b043-9cd467423aa9","cardType":"basic","points":2,"front":"Why does recycling reduce waste in the Haber process?","back":"Unreacted gases are reused, so very little of either raw material is wasted.","mcqOptions":null},{"id":"80d67b2c-3383-404c-9c21-7f959dcc2a7b","cardType":"cloze","points":null,"front":"The forward Haber reaction is [ ], so energy is released as ammonia forms.","back":"The forward Haber reaction is exothermic, so energy is released as ammonia forms.","mcqOptions":null},{"id":"db405a57-87f6-4a60-996d-55f6152f4445","cardType":"cloze","points":null,"front":"Natural gas is a [ ] resource, so the hydrogen supply cannot continue forever.","back":"Natural gas is a finite resource, so the hydrogen supply cannot continue forever.","mcqOptions":null},{"id":"375c3f72-9c6c-46af-8f78-4039c488df42","cardType":"cloze","points":null,"front":"A reversible reaction can form its reactants again from its products, shown using the symbol $\\text{[...]}$.","back":"A reversible reaction can form its reactants again from its products, shown using the symbol $\\boxed{\\rightleftharpoons}$.","mcqOptions":null},{"id":"103eb41b-c877-4cc8-a121-548297e9133e","cardType":"cloze","points":null,"front":"At dynamic equilibrium, the forward and backward reactions occur at the same [ ].","back":"At dynamic equilibrium, the forward and backward reactions occur at the same rate.","mcqOptions":null},{"id":"89181309-a80c-4185-9f0e-48b36dcbaba4","cardType":"cloze","points":null,"front":"The liquid ammonia product is [ ] after it condenses.","back":"The liquid ammonia product is run off after it condenses.","mcqOptions":null},{"id":"ceff4184-5b4f-49bb-98a3-e700063dddb0","cardType":"cloze","points":null,"front":"The gases are held in the reactor long enough for the mixture to [ ].","back":"The gases are held in the reactor long enough for the mixture to approach equilibrium.","mcqOptions":null}]}],"examCountdown":{"examDate":"2027-05-17","paperLabel":"Paper 1"},"heading":"5.2.2 The Haber process","title":"5.2.2 The Haber process Flashcards","topbar":{"backHref":"/gcse/chemistry/edexcel/flashcards"},"topicSidebar":"$L36"}]}],"topicId":"d5d971b3-ee73-52b3-9803-ead911e0dae4","walled":"$L37"}],"$L38","$L39"]