Chemistry 112 Chemical Equilibrium - Drew Rasmussen Chemistry 112 Lab 011 Partner Andy Zola Instructor Katri Truhler March 3 2011 Chemical Equilibrium

Chemistry 112 Chemical Equilibrium - Drew Rasmussen...

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Drew Rasmussen Chemistry 112 Lab – 011 Partner: Andy Zola Instructor: Katri Truhler March 3, 2011 Chemical Equilibrium Laboratory Write-upA.Research Questiona.What is the experimentally determined Kcfor the reaction at room temp?b.What is the sign of Delta-H for the reaction? What does this mean?c.What were the effects of adding/removing reactants to/from the equilibrium mixture? (Fe(NO3)3 and EDTA)B.Theoretical Approach
and recording a standard A 470 and then introducing heat, removing heat, and adding other solutions this principle was further tested. C. Observations and Results a. FeSCN 2+ is an orange-red color, and is not very viscous. It’s almost the color of the orange tootsie pops. At room temperature, the stock solution had an Abs. of 0.969 @ 468.54nm. b. Approximately 30mL of 0.0020 M Fe(NO

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