experiment 18 - Experiment 18: Chemical Equilibrium Taylor...

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Experiment 18: Chemical Equilibrium Taylor MacDonald Partner: Laura Ritchey 4/29/08 Tuesday Group #19 TA: Khodali
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Introduction The experiment 18 was done to work together with my lab partner in order to collect measurements on a series of solutions of an indicator with different pH values enabling us to determine p K In for the indicator. We used MeasureNet’s spectrometer to measure the visible absorption spectra to make our equilibrium constant determination. We were then able to use the experimental data in a series of mathematical equations to determine p K In . These equations were mostly based off of Beer’s Law. This experiment connected to lecture since we have been learning about equilibrium constants and acid- base reactions as well as Beer’s Law. It gave a good physical connection to what we have learned. In order to complete this experiment we had to know how to properly measured out liquids using beakers and pipets, how to properly mix substances using proper transfer techniques and how to use the spectrometer and MeasureNet system. Procedure
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This note was uploaded on 05/03/2010 for the course CHEM LAB 111 taught by Professor Sprague during the Fall '07 term at University of Cincinnati.

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experiment 18 - Experiment 18: Chemical Equilibrium Taylor...

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