Experiment 27 - Experiment 27 Kinetics by Colorimetry...

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Experiment 27 Kinetics by Colorimetry Jonathan Brate April 15, 2009 Wednesday TA: Yusif
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Introduction: The objective of this experiment was to find and record the temperature and reactant concentrations on the reaction rate. This was accomplished by putting half of the solutions in water that was room temperature and the other half in a warm bath. During the experiment, crystal violet and sodium hydroxide were mixed together and absorbance and light wavelengths were measured. Doing this experiment requires that one understands how rate is expressed in change in concentration with time and being able to analyze between the average rate over a finite time interval and an instantaneous rate. The use of rate laws, integrated rate laws, Colorimetry, and the Arrhenius equation, is how experiment 27 relates to information in the lecture class. One laboratory technique in this experiment was being able to use a colorimeter. A colorimeter measures the absorbance of particular wavelengths of light. Another lab technique
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Experiment 27 - Experiment 27 Kinetics by Colorimetry...

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