Do we need to know about the haber process for C2?

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if so, please could you explain? thanks!

Posted Wed 23rd May, 2012 @ 20:12 by asdfghjkl

6 Answers

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yep! the haber process is important for C2! it's quite simple really... n2 + 3h2 <=> 2nh3

it's the production of ammonia, just remember that high pressure favours forward reaction, lower temp gives greater yiled due to forward reaction being exothermic and it is a reversible reaction! 

Answered Wed 23rd May, 2012 @ 20:22 by Ruby
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yep n u cud get a siz mark question on it e.g describe conditions used in the harber process and why are these chosen??

Answered Wed 23rd May, 2012 @ 21:10 by Rayman08
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i ment six mark question

Answered Wed 23rd May, 2012 @ 21:33 by Rayman08
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If you do get a long question on the Haber process, it may be beneficial to mention that the conditions used are a compromise.

Too high pressure is expensive and dangerous (more risk of explosion)

Low temperature = high yield, but it takes ages

High temperature = low yield, happens quickly.

Remember that increasing pressure favours the side with the fewest molecules.

Increasing temperature favours the endothermic side, and decreasing temperature favours the exothermic side.

Remember that the forward reaction is exothermic (heat is given out)

The backward reaction is endothermic (heat is taken in)

I think that's the gist, it has been a year since I did GCSE Chemistry.

Answered Wed 23rd May, 2012 @ 21:40 by Hollie
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oh forgot to say that i'm doing the new aqa specification from 2011 onwards, i dont think i need it but thanks very much!

Answered Wed 23rd May, 2012 @ 21:56 by asdfghjkl
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To be on the safe side you could go onto the AQA website and check your specification.

Answered Wed 23rd May, 2012 @ 22:00 by Hollie