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- describe how changes in concentration, pH, or temperature affect equilibria for transition metal solutions - relate the equilibrium constant to Gibbs free energy. Pre-Lab Questions: Outline a procedure in your own words that will allow you to collect the required dat in cach of the exercises below. Anticipate the type of data you will collect and prepare space in your notebook to record the data (datn tich sor space for observations). Before arriving at the laboratory you should have the answers to the following questions in your notet: 1. Write the equilibrium constant for each reaction given in the A. jound section. 2. What should happen when the concentration of chlorid reased in a solution containing hexaaquocobalt(II). [Co(H2O)6]2+(aq)? 3. A chemical reaction shifts left upon heating. What does that tell you about the enthalpy of reaction