The Haber Process 2.0 / 5 based on 1 rating ? ChemistryHaber and industrial processesGCSEOCR Created by: Hayley GoddardCreated on: 11-06-13 15:00 What are the feedstocks for the Haber Process? Nitrogen and hydrogen 1 of 14 How is the nitrogen obtained? From the air, which is 78% nitrogen 2 of 14 Where does the hydrogen come from? Cracking of chemicals in natural gas using steam 3 of 14 Is this reaction reversible or irreversible? Reversible 4 of 14 Fromm being this, what does it mean? Not all the nitrogen and hydrogen will convert to ammonia 5 of 14 Can this reaction reach equilibrium and why? It can't reach equilibrium, this is because the gases don't stay in the reaction vessel long enough 6 of 14 What happens to the nitrogen and hydrogen that don't react? They are recycled and passes through again so none is wasted 7 of 14 Why is it helpful recycling the nitrogen and oxygen? More ammonia will be produced using the same amount of reactant 8 of 14 Why do higher pressures favour the forward reaction? There are four molecules of gas on the left-hand side, but only two moecules on the right 9 of 14 The pressure is set as high as possible to ensure the best what? Percentage yield 10 of 14 Is the forward reaction, endothermic or exothermic? Exothermic 11 of 14 By being exothermic what will happen to the equilibrium if the temperature is increased? The equilibrium will move the wrong way 12 of 14 What temperature would the yield be greater at? Lower temperature 13 of 14 What is the problem with lower temperatures? Slower rate of reactions 14 of 14
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