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lechatelier's principle


christopher bozza
lesson by christopher bozza
magoosh expert

summary
the essence of the content revolves around explaining le chatelier's principle and its application in predicting the effects of various changes on a chemical equilibrium.
  • le chatelier's principle states that a chemical system at equilibrium will adjust to counteract any imposed change, aiming to re-establish equilibrium.
  • adding or removing reactants or products, changing pressure, or altering temperature can shift the equilibrium position either to the right (towards products) or to the left (towards reactants).
  • the concept of a seesaw is introduced as a visual aid to understand how changes in reactant or product concentrations, pressure, and temperature influence the direction of the equilibrium shift.
  • the impact of adding a catalyst or a noble gas on the equilibrium position is discussed, highlighting that neither changes the position of equilibrium.
  • specific examples, including the addition of sodium bicarbonate and changes in ph, illustrate how to apply le chatelier's principle to predict the outcome of changes in a chemical system.
chapters
00:00
understanding le chatelier's principle
03:03
applying pressure and temperature changes
10:34
exceptions to equilibrium shifts