dvb041008a4 - Formation of Ammonia originally osmium and...

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Principles of Chemistry II © Vanden Bout Today Catalysis Principles of Chemistry II © Vanden Bout Principles of Chemistry II © Vanden Bout Principles of Chemistry II © Vanden Bout Catalyzes three chemical reactions 2NO x xO 2 + N 2 2CO + O 2 2CO 2 2C x H y + (2x+y/2)O 2 2xCO 2 + yH 2 O
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Principles of Chemistry II © Vanden Bout Smog Sun + NO x + VOC = photochemical smog Volatile Organic Compound (uncombusted fuel for example) smoke + SO 2 + water Principles of Chemistry II © Vanden Bout Great Smoky Mountains VOC released from the trees lead to a sort of "natural smog" Greatly enhance by adding NO x Principles of Chemistry II © Vanden Bout Ozone O 3 Great in the upper atmosphere Principles of Chemistry II © Vanden Bout Ozone O 3 Bad down here O 3 is a great oxidizing agent O 3 + lungs = reacted lung tissue
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Principles of Chemistry II © Vanden Bout Principles of Chemistry II © Vanden Bout Haber Process (Fritz Haber Nobel 1918)
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Unformatted text preview: Formation of Ammonia originally osmium and uranium Now iron (keep out the O 2 ) Ertl Nobel Prize 2008 Principles of Chemistry II © Vanden Bout Enzymes Biological Catalysts Principles of Chemistry II © Vanden Bout Substrate + Enzyme = Complex = Product + Enzyme S + E = [SE] = P + E Principles of Chemistry II © Vanden Bout Enzyme Name = Function Glucose Oxidase Oxidizes Glucose Aromatic Amine Dehydrogenase removes Hydrogen from an aromatic amine Hydrolase Hydrolyze reactions Isomerase Isomerize molecules Transferase Transfers functional groups Principles of Chemistry II © Vanden Bout So you want to make a catalyst? Principles of Chemistry II © Vanden Bout k = A e-Ea/RT ]-E a R [ 1 T 2 T 1 1-ln(k 2 /k 1 )= [A] = [A]-akt ln[A] = ln[A]-akt 1/[A] = 1/[A] +akt t 1/2 = [A] /2k t 1/2 = 0.693/k t 1/2 = 1/k[A]...
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This note was uploaded on 05/01/2008 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas.

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dvb041008a4 - Formation of Ammonia originally osmium and...

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