Editing Equilibrium Notes 3
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<center><b>Equilibrium : <nowiki>LeChatlier's</nowiki> Principle</b></center> <br> <br> <i>Def of <nowiki>LeChatlier's</nowiki> Principle:</i><br> <br> <br> <br> <br> <center><b>The system will never be able to get back to the original equilibrium position, no matter how hard it tries.</b></center><br> <br> <br> <i>Stresses that change the equilibrium </i><br> (leave space for class notes)<br> <br> <br> <br> <br> <br> <br> <br> <br> There are 4 parts to answer: stress, how stress affect rxn, make more product or reactant, shift right(more product) or left(more reactant)<br> <br> <br> 1. A change in concentration: <br> (What happens to the equilibrium constant: change or unchanged)<br> <br> <br> Stress: _______________________________________________________________<br> <br> How stress affect rxn: _________________________________________________<br> <br> Circle: Make more product or more reactant<br> <br> Circle: Favoring: Forward rxn or Backward rxn<br> <br> Circle: Shift Equilibrium to: Left(more product) or Right (more reactant)<br> <br> 2. A change in temperature(need to know if reaction is exo or endothermic):<br> (what happens to the equilibrium constant: change or unchanged)<br> <br> <br> <br> Stress: _______________________________________________________________<br> <br> How stress affect rxn: _________________________________________________<br> <br> Circle: Make more product or more reactant<br> <br> Circle: Favoring: Forward rxn or Backward rxn<br> <br> Circle: Shift Equilibrium to: Left(more product) or Right (more reactant)<br> <br> 3. A change in pressure (for a homogeneous gas system):<br> (what happens to the equilibrium constant: change or unchanged)<br> <br> <br> <br> Stress: _______________________________________________________________<br> <br> How stress affect rxn: _________________________________________________<br> <br> Circle: Make more product or more reactant<br> <br> Circle: Favoring: Forward rxn or Backward rxn<br> <br> Circle: Shift Equilibrium to: Left(more product) or Right (more reactant)<br> <br> 4. A change in catalysts:<br> (what happens to the equilibrium constant: change or unchanged)<br> <br> <br> <br> Stress: _______________________________________________________________<br> <br> How stress affect rxn: _________________________________________________<br> <br> Circle: Make more product or more reactant<br> <br> Circle: Favoring: Forward rxn or Backward rxn<br> <br> Circle: Shift Equilibrium to: Left(more product) or Right (more reactant)<br> <br> <br>
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