Unit 9 - Equilibrium

Learning Targets

  • I can identify what is equal at equilibrium.
  • I can explain why equilibrium is considered dynamic.
  • I can draw a graph and identify when a reaction has reached equilibrium and whether it favors the reactants or products at equilibrium.
  • I can identify the three factors that determine whether the reaction at equilibrium will favor the reactants or the products.
  • I can explain the relationship between Gibbs free energy and equilibrium.
  • I can write equilibrium expressions for reactions at equilibrium.
  • I can calculate the equilibrium constant, K, for a reaction at equilibrium.
  • I can write and calculate Kp expressions using partial pressures instead of concentrations.
  • I can identify the two things that will change the equilibrium constant, K.
  • I can predict and calculate K based on the original equation and given a new manipulated equation and the original equilbrium constant.
  • I can recall and utilize the equation needed to convert K (Kc) to Kp.
  • I can use the value calculate or given for K to determine whether the equilibrium lies towards the products or the reactants.
  • I can calculate where a reaction is at any point by solving for the reaction quotient, Q.
  • I can compare Q to K and interpret which side of the reaction is favored at that point and the shift that the reaction will make to reach equilibrium.
  • I can calculate the equilibrium constant given initial concentrations and the concentration of a reactant at equilibrium.
  • I can calculate the equilibrium concentrations of ALL species given initial concentrations and the equilibrium constant.
  • I can correctly use the 5% rule when applicable and prove that it is acceptable through calculation.
  • I can define/explain Le Châtelier’s principle.
  • I can explain how the equilibrium shifts with a change in concentration and explain the effect on the concentration/amount of a given reactant/product and the constant, K.
  • I can explain how the equilibrium shifts with a catalystand explain the effect on the concentration/amount of a given reactant/product and the constant, K.
  • I can explain how the equilibrium shifts with a change in temperature and explain the effect on the concentration/amount of a given reactant/product and the constant, K.
  • I can explain how the equilibrium shifts with a change in pressure and explain the effect on the concentration/amount of a given reactant/product and the constant, K.
  • I can explain how the equilibrium shifts with a change in volume and explain the effect on the concentration/amount of a given reactant/product and the constant, K.
  • I can explain what is occurring at equilibrium in a Ksp problem.
  • I can write Ksp expressions for ionic compounds.
  • I can solve for Ksp given the molar solubility of a substance.
  • I can solve for the molar solubility of a substance given Ksp.
  • I can compare two solutes that have the same # of ions and determine relative solubility.
  • I can compare two solutes that have different # of ions and determine relative solubility.
  • I can explain what the common ion effect does to solubility and calculate a Ksp problem that involves common ions.
  • I can calculate Q for a dissolution process and determine whether a precipitate is made by comparing the value to Ksp, explaining why this is the case.