Physical Chem Notes-Practice 18

Physical Chem Notes-Practice 18 - Unless otherwise...

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Exercises to prepare for Feedback #3 A) Given the data in Table 21.8 and 21.4 (Table 20.4 and 20.7 of the 9 th Edition) compute the viscosity of hexane. Assume the effective radius of I 2 is independent of solvent. --------------------------------------------------------------------------------------------------------------------- Unless otherwise specified, the numbers refer to the Exercises (not Problems) in Physical Chemistry , 8 th Edition , by Peter Atkins and Julio De Paula. Numerical answers for the (b) exercises these are available in the back of the textbook, and more complete answers are in the Student Solutions Manual. 21.22, 21.23, 21.25-27 21.28 Note that in 3 dimensions, the displacement is r 2 1/2 = ( 3 x 2 ) 1/2 21.29-31 Problem 21.16 (but only calculate D and a , not the number of water molecules). ---------------------------------------------------------------------------------------------------------------------
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Unformatted text preview: Unless otherwise specified, the numbers refer to the Exercises (not Problems) in Physical Chemistry , 9 th Edition , by Peter Atkins and Julio De Paula. Numerical answers for the (a) exercises these are available in the back of the textbook, and more complete answers are in the Student Solutions Manual. 20.23-20.27 20.30 - 20.33 For 20.30 and 20.33, note that in 3 dimensions, the displacement is 〈 r 2 〉 1/2 = ( 3 〈 x 2 〉 ) 1/2 Problem 24.13 (but only calculate D and a , not the number of water molecules). --------------------------------------------------------------------------------------------------------------------- Answer to A: A) Using the diffusion coefficient, D, for I 2 in benzene, compute effective radius, a, for I 2 . Then solve for viscosity of hexane = 0.316 x 10-3 kg / (meter second) = 3.16 x 10-4 kg / (meter second) 18...
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This note was uploaded on 09/20/2011 for the course CHM 4411 taught by Professor Ohrn during the Spring '08 term at University of Florida.

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