rav.docx - 3150:154-003 Exp 13 Chemical Kinetics Firdous...

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3150:154-003 Exp. 13: Chemical Kinetics Firdous Ali Partner: Cynthia Deokarran March 13, 2018 TA: Ravindra Gudneppanavar Objective The objective of this experiment was to find the rate law for the given reactants to products for the reaction between iodide ion and bromated ion by applying the method of initial rates and finding the activation energy by measuring three temperatures of the rate constant (k). Experimental Procedure The procedure that was implemented in this experiment was adapted by the Semi-Quantitative Experiment for General Chemistry, The University of Akron, Spring 2017 Edition (course lab manual). Two 5mL Pasteur pipets, four 30mL beakers, and 12 six -inch test tubes were collected along with an elapsed- time timer. The beakers, pipets, and test tubes were labeled according to the tables on pages 62 and 63 of the lab manual. These tables were also utilized when filling the beakers and test tubes with their respective amounts in milliliters of their reagents and solutions using the labeled 5mL pipets. Furthermore, four experiments were conducted at room temperature to determine the values for the rate constant, m, n, and p. Three drops of starch were added to test tube 1B, which contained the bromate ion and hydronium ion. Test tube 1A, which consisted of the iodide ion and the thiosulfate ion, was carefully poured into test tube 1B and a timer was started. The test tube was then capped with a
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