Equilibrium the ultimate conversion

  • Thread starter Woopydalan
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  • #1
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Main Question or Discussion Point

Hello,

I am wondering conceptually why the maximum conversion of products is made at chemical equilibrium? I was thinking if you use le chatelier to push towards products, the conversion will be higher.

Sorry if this sounds too vague, my prof's lecture was called "Equilibrium: The ultimate conversion''
 

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  • #2
UltrafastPED
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Le Chatelier reaches a new equilibrium ... so the result still holds.
 
  • #3
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Didn't think about that, thank you. But can't you be past equilibrium, and during that time beyond equilibrium, the conversion is higher?
 
  • #4
UltrafastPED
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But what happens under le Chatelier? The principle is clear: their is a resistance to the change, and this resistance results in a new equilibrium.

Consider an exothermic reaction - there is a certain amount of heat given off. But if we add just a bit more of something and there was no resistance (i.e., le Chatelier fails!) then you would obtain more heat ... and add a bit more, and you get more heat ... seems like it cheats on the first law of thermodynamics!
 

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