exam1 - 1 First Hour Exam Chemistry 6 Name: No books or...

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1 First Hour Exam Chemistry 6 Name: No books or papers are to be used. Always include units in all calculations. Show all work to receive maximum partial credit. The awarding of full credit will require that numerical answers be supported by a clear presentation of the steps used. Do all of the problems. Possibly useful information: k Boltzmann = 1.38 x 10 -23 J/K R = 8.31 J/mole - K [A] = [A] o e -kt 1 [A] = 1 o + kt k = Ae -Ea/RT k = P π d 2 v e -Ea/RT v = ( 8RT π M ) 1/2 t = 0.693 k t = 1 o k 1.(a)The following data were obtained from an experimental study of the reaction OCl - + I - → ΟΙ + Cl - . The kinetics were determined in basic solutions (i.e. OH - appears in the mechanism and, perhaps, the rate law, but not the overall reaction). Use the data below to determine the order of the reaction with respect to each reactant in the rate law -d[I - ] dt = k [I - ] a [ClO - ] b [OH - ] c Run [ClO - ],10 –3 M[ I –3 O H –3 MI nitial Rate, Ms –1 1 4.00 2.00 1000 0.50 2 2.00 4.00 1000 0.49 3 2.00 2.00 1000 0.25 4 2.00 2.00 250 0.98
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exam1 - 1 First Hour Exam Chemistry 6 Name: No books or...

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