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Horvath Practice Problems 18

# Horvath Practice Problems 18 - elementary reactions Example...

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Compar ingrunsIandIIweseetheratehasdoub led . Thus doubling the concentration of B doubles the rate. Therefore the order dependence on [ B ] must be one. Compar ingrunsIandIIIweseetheratehasdoub led . Thus doubling the concentration of A quadruples the rate. Therefore the order dependence on [ A ] must be two. So f nally we can write the rate law as v = k [ A ] 2 [
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Unformatted text preview: elementary reactions. Example: Method of Isolation Again consider the reaction aA + bB → cC (3.6) and the following experimental data. Run [ A ] [ B ] obs. order I 1.00 0.01 1 II 0.01 1.00 2 From run I we see that the reaction depends on [ B ] to the f rst power From run II we see that the reaction depends on [ A ] to the second power. Therefore the overall rate law is v = k [ A ] 2 [ B ] . DETERMINATION OF RATE LAWS 17...
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