107 Exp 9 Lecture

107 Exp 9 Lecture - Click to edit Master subtitle style...

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Unformatted text preview: Click to edit Master subtitle style 4/7/11 Chemistry 107 Experiment 9 Chemical Kinetics 4/7/11 • 22nd ~ 25th Feb. Ø Written Quantitative Exam • For makeup for exp 6~9 ü Sign up the makeup Today ü 15th ~ 22nd Feb. • 22nd ~ 1 hour before the qual. Lab. ü Pre-lab quiz for exp 1 ü Read Exp 1 manuals 4/7/11 The Chemistry 2I- S2O8 2- I 2 2SO4 2- + + I 2 2I- + + 2S2O3 2- S4O6 - [S2O32-] limits the reaction of I- with S2O82-  Rate depends on [S2O32-] t O S Rate ∆ × =- ] [ 2 1 2 3 2 S2O3 2- : Thiosulfate ion S2O8 2- : Peroxydisulfate ion (Slow) (Very fast) 4/7/11 Ex; Before deciding the rate, ◦ You have to calculate the final conc. first ' ' V M MV = q Use the above equation to calculate any chemical conc. (M) M: the final conc. (you calculate this) V: total volume after adding all chemicals M : stock solution conc. (original) V £ : volume of the chemical you add in the mixture...
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This note was uploaded on 04/07/2011 for the course CHEM 107 taught by Professor Staff during the Winter '08 term at BYU.

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107 Exp 9 Lecture - Click to edit Master subtitle style...

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