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IA 1 - Chemistry Internal Assessment#3 Lauric acid By...

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Chemistry Internal Assessment #3 Lauric acid By SCARLETT D. HOOD International Baccalaureate Classen School of Advanced Studies Oklahoma City, Oklahoma 2011
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Purpose: To determine the melting and freezing point of Lauric acid when placed in hot water and cold water. Hypothesis : If Lauric Acid is placed in hot water it will take less time to reach the melting point than when Lauric Acid is placed in cold water and reach its freezing point, because hot water will act as an exhilarate for the acid causing the time to accelerate. Variables: Dependent Variable: Lauric Acid Independent Variable: Water Temperature Controlled Variable: Time – Every thirty seconds Data Tables: The following two tables outline the data results of the two trials. Each table describes the Time left in water and the temperature in Celsius. Figure A-1 displays Cold Water while figure A-2 outlines Hot Water.
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Figure: A-1 (Cold Water) Cold Water Time (min) Temperature  (Degrees Celsius) 0 54 1 49.2 1.5 46.7 2 45.1 2.5 44.3 3 44.1 3.5 43.8 4 43.8 4.5 43.6 5 43.5 5.5 43.4 6 43.2 6.5 43.2 7 43.1
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