Homework Help: chemistry

Posted by gaby on Monday, February 18, 2013 at 5:04pm.

N2(g)+3H2(g)<=>2NH3(g) +▲H
if uou are preparing NH3, hiw does the following increase the yield of NH3?
(a) ▲[N2] ▲[H2]
(b) ▲T of the chamber storing NH3
(c) ▲P of the system
(d) ▲[NH3(g)]

* <=> equilibrium
* ▲ change

chemistry - JJ, Monday, February 18, 2013 at 5:20pm
If you increase the N2 or H2 concentrations that is going to force the production of NH3

If you increase the temperature, to maintain equilibrium heat has to be given off. Which means more NH3

If you add pressure you need fewer molecules which again causes the production of NH3 ( you have 2 molecules there vs. 5 molecules on the other side)

If you remove NH3 then more NH3 will be produced.

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