Polyethylene is made up of the following fractional distribution.Number of chairsMolecular Weight (Da)5,00010,0001,000,000Fraction1100010003a. Calculate the weight average molecular weight (Mw) of the polymer.b. Calculate the number average MW of the polymer.c. Calculate the poly dispersityd. Which average molecular weight determination did the fraction 3 most significantly affectand Why?e. What would be the volume of a sample (100g) if the density of the polymer is 0.95 g/cc?f. What is the best way of making this polymer: free radical, condensation, etc?

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Polyethylene is made up of the following fractional distribution. Fraction Molecular Weight (Da) 5,000 10,000 1,000,000 Number of chairs 1 1000 2 1000 3 a. Calculate the weight average molecular weight (MW) of the polymer. b. Calculate the number average MW of the polymer. c. Calculate the poly dispersity

Polyethylene is made up of the following fractional distribution. Fraction Molecular Weight (Da) 5,000 10,000 1,000,000 Number of chairs 1 1000 2 1000 3 a. Calculate the weight average molecular weight (MW) of the polymer. b. Calculate the number average MW of the polymer. c. Calculate the poly dispersity

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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Question

Polyethylene is made up of the following fractional distribution.
Number of chairs
Molecular Weight (Da)
5,000
10,000
1,000,000
Fraction
1
1000
1000
3
a. Calculate the weight average molecular weight (Mw) of the polymer.
b. Calculate the number average MW of the polymer.
c. Calculate the poly dispersity
d. Which average molecular weight determination did the fraction 3 most significantly affect
and Why?
e. What would be the volume of a sample (100g) if the density of the polymer is 0.95 g/cc?
f. What is the best way of making this polymer: free radical, condensation, etc?

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