Integrated Science
Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 19, Problem 2PEB
To determine

The molecular weight of a Teflon monomer.

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Justify the statement: Polymer molecular weight is expressed in terms of an average. Calculatethe number average and weight average molecular weights of polymer molecules with different degrees of polymerization such as 300, 550, 750 and 900 that are mixed in a molecular ratio 1: 2: 3: 4 in a sample of high polymer of styrene(C6H5 CH= CH2).
Justin is making a snack. He toasts a piece of bread and spreads peanut butter and jelly on it. Then he cuts an apple into several slices and adds these to his plate. Next, Justin mixes a scoop of lemonade powder into a glass of water, mixes it, and adds ice. How many chemical changes occurred in this scenario?
You are working at a plastics company, and your boss wants you to modify an existing polymer so it will be stronger and flow more easily for processing. How would you change the molecular weight distribution to meet both requirements?
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