Bohlen exp. 13

Bohlen exp. 13 - Experiment 13 Chemical Kinetics Fall 2007...

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Experiment 13 – Chemical Kinetics Fall 2007 Name Peter Bohlen Lab Day and Time Wednesday, 1pm TA Lori Dorwald Section 402 Documentation Jessica Hardwick, Experiment 13, Chemical Kinetics Lab manual. GRADING RUBRIC Possible Points Points Received Introduction 10 Purpose of report Goals of the experiment Materials and Methods 10 Reference lab manual Only describe deviations Results and Discussion 140 Inserted titles for tables Inserted graphs into template Inserted captions for each graph Showed complete sample calculations Summarized all data in tables Answered questions completely Error analysis Laboratory Technique 40 TOTAL (200) TA Comments/Suggestions:
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C HEMISTRY 102L R EPORT T EMPLATE EXPT. Chemical Kinetics: Reaction of Crystal Violet with Sodium Hydroxide 13 13 Introduction The purpose of this report is show the process of determining reaction rates and order of reaction experimentally. The objective of the experiment was to gain an understanding of chemical kinetics by observing the effects of reactant concentration on reaction rate and to experimentally determine the rate law and rate constant for a model reaction (Crystal Violet with NaOH). . Materials and Methods The procedure for this experiment was taken from Experiment 13, Chemical Kinetics, reaction crystal violet with NaOH. There were no deviations taken from the given procedure. Results and Discussion As a reaction occurs, the color of the reaction mixture becomes less intense until it becomes colorless, which is when all the crystal violet has been consumed. This can be taken advantage of by using a colorimeter to measure the absorbance of the reaction over a period of time to find the rate of the chemical reaction using Beers Law. The reaction that is being investigated in this experiment is the addition of hydroxide ions to crystal violet, which forms a colorless product. The reactant starts off with a
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This note was uploaded on 11/03/2009 for the course BIOL 90726 taught by Professor Weakley during the Spring '09 term at UNC.

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Bohlen exp. 13 - Experiment 13 Chemical Kinetics Fall 2007...

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