CHEM102 Lecture Notes - Lecture 10: Exothermic Process, Quadratic Equation, Equilibrium Constant
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23 Jun 2015
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The flying mccoys by glenn and gary mccoy. Altering equilibrium conditions: concentration, adding/removing reactants/products, pressure, volume, temperature, catalyst. [h+] = [hcoo ] = k [hcooh] = 0. 014 m. Add (hcoo)na so that [hcoo ] = 0. 02 m. Result: more hcooh when equilibrium will be reestablished. If a change is imposed on a system at equilibrium, the position of equilibrium will shift in a direction that tends to reduce that change: effect of concentration. An example of concentration change, the dissociation of formic acid. Hcooh (aq) + h2o (l) h3o+ (aq) + hcoo (aq) [hcooh] since the source for both is the same hcooh. If a component is added to a system at equilibrium, the equilibrium position will shift in the direction that tries to lower back the concentration of that component. If the component is removed the reverse effect occurs. No change with addition/removal of solids provided some are left in the rxn flask.
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