For acrylamide polymerization, kp2/kt = 22 L/ mol∙sec at 25ºC and termination isby coupling alone. At this temperature, the half-life of initiator is 9.0h and itsefficiency in methanol is equal to 0.3. A solution of 100 g/L acrylamide inmethanol is polymerized with 10-1 M initiator.(a) calculate kd, pay attention to the unit.(b) what is the initial steady-state rate of polymerization, Rp?(c) How much polymer has been made in the first 10 min of reaction in 1 liter ofsolution?Hint: assume the initiator does not change the total volume of the acrylamide, andthe concentration of the initiator is constant in the first 10 min.
For acrylamide polymerization, kp2/kt = 22 L/ mol∙sec at 25ºC and termination isby coupling alone. At this temperature, the half-life of initiator is 9.0h and itsefficiency in methanol is equal to 0.3. A solution of 100 g/L acrylamide inmethanol is polymerized with 10-1 M initiator.(a) calculate kd, pay attention to the unit.(b) what is the initial steady-state rate of polymerization, Rp?(c) How much polymer has been made in the first 10 min of reaction in 1 liter ofsolution?Hint: assume the initiator does not change the total volume of the acrylamide, andthe concentration of the initiator is constant in the first 10 min.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
For acrylamide polymerization, kp2/kt = 22 L/ mol∙sec at 25ºC and termination is
by coupling alone. At this temperature, the half-life of initiator is 9.0h and its
efficiency in methanol is equal to 0.3. A solution of 100 g/L acrylamide in
methanol is polymerized with 10-1 M initiator.
(a) calculate kd, pay attention to the unit.
(b) what is the initial steady-state rate of polymerization, Rp?
(c) How much polymer has been made in the first 10 min of reaction in 1 liter of
solution?
Hint: assume the initiator does not change the total volume of the acrylamide, and
the concentration of the initiator is constant in the first 10 min.
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