Clicker Exercise 21. The density and associated percent crystallinity for two polyethylene terephthalate materials are as follows:p (g/cm)1.408Crystallinity (%)74:31.34331.2a. Compute the densities of totally crystalline and totally amorphous polyethylene terephthalate.b. Determine the percent crystallinity of a specimen having a density of 1.382 g/cm?.

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Answered: a. Compute the densities of totally…

a. Compute the densities of totally crystalline and totally amorphous polyethylene terephthalate. b. Determine the percent crystallinity of a specimen having a density of 1.382 g/cm?.

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter21: Hydrocarbons

Section21.1: Introduction To Hydrocarbons

Problem 7SSC

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Question

Clicker Exercise 2
1. The density and associated percent crystallinity for two polyethylene terephthalate materials are as follows:
p (g/cm)
1.408
Crystallinity (%)
74:3
1.343
31.2
a. Compute the densities of totally crystalline and totally amorphous polyethylene terephthalate.
b. Determine the percent crystallinity of a specimen having a density of 1.382 g/cm?.

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