In the solvent hexane, the average end-to-end distance of a 7 kDa molecular weight poly(ethylene glycol) polymer chain is 3.65 nm and the average end-to-end distance of a 56 kDa molecular weight poly(ethylene glycol) polymer chain is 7.30 nm. By calculation, show whether hexane is a good, poor or theta solvent for poly(ethylene (i) glycol).

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.18QAP
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In the solvent hexane, the average end-to-end distance of a 7 kDa molecular weight
poly(ethylene glycol) polymer chain is 3.65 nm and the average end-to-end distance
of a 56 kDa molecular weight poly(ethylene glycol) polymer chain is 7.30 nm. By
calculation, show whether hexane is a good, poor or theta solvent for poly(ethylene
(i)
glycol).
Transcribed Image Text:In the solvent hexane, the average end-to-end distance of a 7 kDa molecular weight poly(ethylene glycol) polymer chain is 3.65 nm and the average end-to-end distance of a 56 kDa molecular weight poly(ethylene glycol) polymer chain is 7.30 nm. By calculation, show whether hexane is a good, poor or theta solvent for poly(ethylene (i) glycol).
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