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by: Brandyn Altenwerth V


Brandyn Altenwerth V
GPA 3.93


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About this Document

Class Notes
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This 1 page Class Notes was uploaded by Brandyn Altenwerth V on Monday October 19, 2015. The Class Notes belongs to CH 221 at Oregon State University taught by Staff in Fall. Since its upload, it has received 18 views. For similar materials see /class/224559/ch-221-oregon-state-university in Chemistry at Oregon State University.




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Date Created: 10/19/15
23 24 25 26 Enter a column of At y and LogConcentration as x 000OUIJgtLNNr bwwp E bwwp D G H Beaker A Beaker A Beaker B Beaker B Beaker C KI NazszO3 HCl H20 KBrO3 Time s Starch 001 000025 01 004 10 10 10 10 10 t1 5 10 10 15 10 t2 15 10 10 5 10 t 20 10 10 0 10 t4 10 10 10 15 5 t5 10 10 10 5 15 t6 10 10 10 0 20 t7 10 10 5 15 10 tg 10 10 15 5 10 t9 10 10 20 0 10 t10 To calculate concentration use Ml Vl M2 V2 1 S2032 H H20 BrO3 Rate 0002 000005 002 0008 8202 6ti 0001 000005 002 0008 8202 611 0003 000005 002 0008 8202 6t 0004 000005 002 0008 8202 6t L0gl L0gS2032 L0gH H20 L0gBrO3 L0grate 269897 430103 169897 209691 LOGH23 3 430103 169897 209691 LOGH24 252288 430103 169897 209691 LOGH25 LOGH26 239794 430103 Using At calculate a rate for each run Create a column of LogRate To nd x y 2 choose 4 runs in which the concentration of the ion of interest changes and the concentration for the other ions do not and plot LogRate as The slope is equal to the exponent When the exponents have been determined calculate k using the equation to the right Do this for 169897 all 10 runs and then calculate an average 209691 Molarity Example Equation C23 C10C11t0tal mL Result of the formula is in the cell The dollar signs mean stay in this location 10 remain in row 10 Example Equation C36 LOGC23 Rate 20326At Rate 1IquotBr03yHz Averageltl23zlxx where xx is the last row ofk


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