The following table lists molecular weight data for a polytetrafluoroethylene material. Compute the following: (a) The number-average

Question:

The following table lists molecular weight data for a polytetrafluoroethylene material. Compute the following:

(a) The number-average molecular weight

(b) The weight-average molecular weight

Molecular Weight Range (g/mol) Xị Wi 0.03 10,000–20,000 0.01 20,000–30,000 0.09 0.04 30,000–40,000 0.15 0.11 0.2

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a From the tabulated data we are asked to compute the numberaverage molecular weight This is carried ...View the full answer

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Materials Science and Engineering An Introduction

ISBN: 978-1118324578

9th edition

Authors: William D. Callister Jr., David G. Rethwisch

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Question Posted: Feb 13, 2018 09:03 AM

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The following table lists molecular weight data for a polytetrafluoroethylene material. Compute the following: (a) The number-average

Question:

Molecular Weight Range (g/mol) Xị Wi 0.03 10,000–20,000 0.01 20,000–30,000 0.09 0.04 30,000–40,000 0.15 0.11 0.25 40,000-50,000 0.23 50,000-60,000 0.22 0.24 0.18 60,000–70,000 0.14 0.08 70,000–80,000 0.12 80,000–90,000 0.04 0.07

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a From the tabulated data we are asked to compute the numberaverage molecular weight This is carried ...View the full answer

Materials Science and Engineering An Introduction

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