Question: 2 Analysis of a sample of poryacrylonitrile shows that there are six lengths of chains, with the number of chains of cach length shown in the table below. The molecular weight of the acrylonitrile monomer is 53 g/mol. Calculate the following: (a) The weight average molecular weight and degree of polymerization, (b) The number average molecular weight and degree of polymerization. Number Of chains Mean Molecular weight of chains (g/mol) 3010 10,005 18,005 6010 17,005 9010 12,010 15,010 18,010 15,005 9005 4005
Question: 2 Analysis of a sample of poryacrylonitrile shows that there are six lengths of chains, with the number of chains of cach length shown in the table below. The molecular weight of the acrylonitrile monomer is 53 g/mol. Calculate the following: (a) The weight average molecular weight and degree of polymerization, (b) The number average molecular weight and degree of polymerization. Number Of chains Mean Molecular weight of chains (g/mol) 3010 10,005 18,005 6010 17,005 9010 12,010 15,010 18,010 15,005 9005 4005
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Question: 2
Analysis of a sample of poryacrylonitrile shows that there are six lengths of chnins, with the
number of chains of each length shown in the table below. The molecular weight of the
acryłonitrile monomer is 53 g/mol. Calculate the following:
(a) The weight average molecular weight and degree of polymerization,
(b) The number average molecular weight and degree of polymerization.
Number
Of chains
Mean
Molecular
weight of
chains (g/mol)
3010
10,005
18,005
6010
17,005
9010
15,005
12,010
9005
15,010
4005
18,010
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