Ethene and steam can be converted into ethanol.
The equilibrium is shown below.
C₂H₄(g) + H₂0(g) →C₂H₅OH(g) deltaH = — 46 kJ /mol
le Chatelier's principle can be used to predict the effect of changing conditions on the position of equilibrium.
(i) Name the catalyst used in this reaction.
(ii) State le Chatelier's principle.
(iii) Using le Chatelier's principle, predict and explain the conditions that would give the maximum equilibrium yield of ethanol from ethene and steam.

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(ii) State le Chatelier's principle.
If an external factor acts on a system in equilibrium, the system acts in opposition to that factor to reduce its influence and restore equilibrium...

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