An unknown polymer sample was found to have the following molecular weight distribution: Molecular weight range 8,000 - 20,000 20,000 - 32,000 32,000 - 44,000 44,000 - 56,000 56,000 - 68,000 68,000 - 80,000 80,000 - 92,000 If the weight average DP for this sample is found to be DP=536, which of the following common polymers is this unknown sample? Xi 0.05 0.15 0.21 0.28 0.18 0.10 0.03 Wi 0.02 0.08 0.17 0.29 0.23 0.16 0.05 a. Polystyrene with a monomer molecular weight of 104.15 g/mol O b. Polypropylene with a monomer molecular weight of 42.08 g/mol O c. Polymethylmethacrylate with a monomer molecular weight of 100.121 g/mol O d. Polyvinyl chloride with a monomer molecular weight of 62.498 g/mol e. Polycarbonate with a monomer molecular weight of 61.0168 g/mol
An unknown polymer sample was found to have the following molecular weight distribution: Molecular weight range 8,000 - 20,000 20,000 - 32,000 32,000 - 44,000 44,000 - 56,000 56,000 - 68,000 68,000 - 80,000 80,000 - 92,000 If the weight average DP for this sample is found to be DP=536, which of the following common polymers is this unknown sample? Xi 0.05 0.15 0.21 0.28 0.18 0.10 0.03 Wi 0.02 0.08 0.17 0.29 0.23 0.16 0.05 a. Polystyrene with a monomer molecular weight of 104.15 g/mol O b. Polypropylene with a monomer molecular weight of 42.08 g/mol O c. Polymethylmethacrylate with a monomer molecular weight of 100.121 g/mol O d. Polyvinyl chloride with a monomer molecular weight of 62.498 g/mol e. Polycarbonate with a monomer molecular weight of 61.0168 g/mol
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
19
Transcribed Image Text:An unknown polymer sample was found to have the following molecular weight distribution:
Molecular weight range
8,000 - 20,000
Xi
0.05
0.15
0.21
20,000 - 32,000
32,000 - 44,000
44,000 - 56,000
56,000 - 68,000
68,000 - 80,000
80,000 - 92,000
If the weight average DP for this sample is found to be DP=536, which of the following common
polymers is this unknown sample?
0.28
0.18
0.10
Wi
0.03
0.02
0.08
0.17
0.29
0.23
0.16
0.05
O a.
Polystyrene with a monomer molecular weight of 104.15 g/mol
O b.
Polypropylene with a monomer molecular weight of 42.08 g/mol
O c.
Polymethylmethacrylate with a monomer molecular weight of 100.121 g/mol
O d. Polyvinyl chloride with a monomer molecular weight of 62.498 g/mol
e.
Polycarbonate with a monomer molecular weight of 61.0168 g/mol
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The