Experiment 4 - Experiment 4: Rate Law Determination of the...

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Experiment 4: Rate Law Determination of the Crystal Violet Reaction Lacey Frigaard Lab Partner: Sam Thompson February 19, 2008 Section: 13 Purpose: To observe the reaction between crystal violet and sodium hydroxide. To study the relationship between concentration of crystal violet and the time elapsed during the reaction to determine the order of the reaction. To determine the half-life of the reaction.
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I. DATA AND OBSERVATIONS Table 1: Order data for the Equation y=ax + b Order a b r Zero -3.85 x 10 -4 0.449 -0.992 First -1.15 x 10 -3 -0.771 -0.999 Second 3.55 x 10 -3 2.054 0.999 Graph 1: Zero Order Plot Graph 2: First Order Plot Graph 3: Second Order Plot Observations: The original solution of crystal violet was a deep purple and the hydroxide was colorless. When combined and allowed to react, the resulting solution was nearly colorless. The line for the zero order reaction did not correspond well to the data plotted. Also, the line for the second order reaction didn’t correspond well. However, the line for the first order
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This lab report was uploaded on 04/09/2008 for the course CHEM 1152 taught by Professor Splan during the Spring '08 term at University of Minnesota Duluth.

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Experiment 4 - Experiment 4: Rate Law Determination of the...

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