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Styrene (3.0 M) is copolymerized with methacrylonitrile (1.5 M) in benzene solution by adding benzoyl peroxide to a concentration of 0.1 M and heating to 60°C. Calcu- late for the polymer initially formed (a) composition of the copolymer, (b) probability of forming styrene and methacrylonitrile sequences that are 3 units long, (c) average sequence lengths of styrene and methacrylonitrile in the copolymer, and (d) the run number of the copolymer. [Given: ri = r2 = 0.25 at 60°C.] [Ans. (a) M1 57 mol%, M2 43 mol%; (b) n3(M1) = 0.0742, n3 (M2) (M1) = 1.50, x(M2) = 1.12] %3D 0.011; (c) %3D %3D %3D %3D

Styrene (3.0 M) is copolymerized with methacrylonitrile (1.5 M) in benzene solution by adding benzoyl peroxide to a concentration of 0.1 M and heating to 60°C. Calcu- late for the polymer initially formed (a) composition of the copolymer, (b) probability of forming styrene and methacrylonitrile sequences that are 3 units long, (c) average sequence lengths of styrene and methacrylonitrile in the copolymer, and (d) the run number of the copolymer. [Given: ri = r2 = 0.25 at 60°C.] [Ans. (a) M1 57 mol%, M2 43 mol%; (b) n3(M1) = 0.0742, n3 (M2) (M1) = 1.50, x(M2) = 1.12] %3D 0.011; (c) %3D %3D %3D %3D

Introduction to Chemical Engineering Thermodynamics
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
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7.9 Styrene (3.0 M) is copolymerized with methacrylonitrile (1.5 M) in benzene solution by adding benzoyl peroxide to a concentration of 0.1 M and heating to 60°C. Calcu- late for the polymer initially formed (a) composition of the copolymer, (b) probability of forming styrene and methacrylonițrile sequences that are 3 units long, (c) average sequence lengths of styrene and methacrylonitrile in the copolymer, and (d) the run number of the copolymer. [Given : rị = r2 [Ans. (a) M1 57 mol%, M2 43 mol%; (b) n3(M1) = 0.0742, n3 (M2) = 0.011; (c) x(M1) = 1.50, I(M2) = 1.12] :0.25 at 60°C.] %3D %3D
Transcribed Image Text:7.9 Styrene (3.0 M) is copolymerized with methacrylonitrile (1.5 M) in benzene solution by adding benzoyl peroxide to a concentration of 0.1 M and heating to 60°C. Calcu- late for the polymer initially formed (a) composition of the copolymer, (b) probability of forming styrene and methacrylonițrile sequences that are 3 units long, (c) average sequence lengths of styrene and methacrylonitrile in the copolymer, and (d) the run number of the copolymer. [Given : rị = r2 [Ans. (a) M1 57 mol%, M2 43 mol%; (b) n3(M1) = 0.0742, n3 (M2) = 0.011; (c) x(M1) = 1.50, I(M2) = 1.12] :0.25 at 60°C.] %3D %3D
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