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| Frage | Antworten |
| why is it important to recycle unreacted hydrogen and nitrogen | to save money and energy |
| what are the million tones of ammonia made in the UK every year mainly used for | fertilisers, nitric acid,nylon |
| what is the symbol for a reversible reaction | |
| how is Ammonia made?? | by reacting nitrogen gas with hydrogen gas (N2+3H2 =2NH3) |
| what is the process to make ammonia called? | haber Process (named after Fritz Haber) |
| how is nitrogen gas extracted from the air? | using fractional distillation of liquid air |
| what natural gas is hydrogen extracted with | methane CH4 |
| why don't ammonia manufacturers use as a pressure higher than 200atm | its expensive and dangerous |
| why does increasing the pressure increase the yield of ammonia | because there is more chance of collisions |
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