Derive an expression for the rate of polymerization of stoichiometric amounts of adipic acid andhexamethylene diamine in the presence of a catalyst. Indicate the assumptions inherent in thederivation. Derive an expression for the rate of a catalyzed polymerization of nonstoichiometricamounts of the two reactants. Given the data in the table below, determine the reaction rateconstant (value and units). (Data: Temperature: 59.72 °C; Initial adipic acid concentration:0.1531 kmol m°; Initial hexamethylene diamine concentration: 0.02864 kmol m)t (ks)Fraction amine reacted29.70.286340.50.363047.70.409955.80.457262.10.489072.90.539683.70.5795

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Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter22: Surfaces

Section: Chapter Questions

Problem 22.46E: Early attempts to coat metals with Teflon, poly tetrafluoroethylene, resulted in a polymer layer...

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Question

Derive an expression for the rate of polymerization of stoichiometric amounts of adipic acid and
hexamethylene diamine in the presence of a catalyst. Indicate the assumptions inherent in the
derivation. Derive an expression for the rate of a catalyzed polymerization of nonstoichiometric
amounts of the two reactants. Given the data in the table below, determine the reaction rate
constant (value and units). (Data: Temperature: 59.72 °C; Initial adipic acid concentration:
0.1531 kmol m°; Initial hexamethylene diamine concentration: 0.02864 kmol m)
t (ks)
Fraction amine reacted
29.7
0.2863
40.5
0.3630
47.7
0.4099
55.8
0.4572
62.1
0.4890
72.9
0.5396
83.7
0.5795

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