Le Chatelier's Principle - if a system in equilibrium is subjected to changes in condition, the system will shift to resist the change
In an exothermic reaction:
-the yield decreases when the temperature is increased
-the yield increases when the temperature is lowered
In an endothermic reaction:
-the yield increases if the temperature is raised
-the yield decreases if the temperature is lowered
In reactions involving gases:
-the reaction that produces the least number of gas molecules is favoured by increased pressure
-the reaction that produces the most number of gas molecules is favoured by decreased pressure
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