C3, Ammonia 4.0 / 5 based on 2 ratings ? ChemistryEquilibriumHaber and industrial processesGCSEAQA Created by: emmajane_Created on: 21-04-14 14:10 What is ammonia a compound of? Hydrogen and nitrogen 1 of 13 Name 2 properties of ammonia? It's a colourless gas and a weak acid 2 of 13 Name 4 uses of ammonia fertilizers, home cleaners, nylon and explosives 3 of 13 Hydrogen and nitrogen are both raw materials. How are thery both obtained? hydrogen is obtained by cracking and nitrogen is obtaind from the air (which is 78%) nitrogen 4 of 13 What is a closed system? A system where no ractants are added and no products are removed 5 of 13 What is the result of a reaction happening in a closed system? An equilimbrium happens 6 of 13 What does the percentage yield depend on at equilibrium? The balance between the forward and backwards reactions 7 of 13 What happens to the yield if the temperature is increased? The yield is endothermic 8 of 13 What happens to the yield if the temperature is decreased? The yield is exothermic 9 of 13 WHat is forward and backwards of the haber process? forward= exothrmic backwards=endothermic 10 of 13 What is the optimum temperature for a yield? 450 degrees celsius 11 of 13 Name 4 costs of the haber process 1. energy 2. The starting materials 3. Labour costs 4. Equipment 12 of 13 Why are catalysts used in the industry? They speed up he reaction and reduce costs by- reducing energy, labour and equipment needed 13 of 13
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