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Questions5 101115 PDF

This document contains 7 questions from a lecture on dynamic light scattering and polymer physics. The questions cover topics like the signal measured in dynamic light scattering, how the hydrodynamic radius of a polymer is determined, what constitutes a real chain, the potential between monomers and how excluded volume is calculated from potential, solvent qualities and how excluded volume varies in different cases, and how end-to-end distance scales with polymerization degree for chains in good solvents.

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Ali Hassan
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36 views1 page

Questions5 101115 PDF

This document contains 7 questions from a lecture on dynamic light scattering and polymer physics. The questions cover topics like the signal measured in dynamic light scattering, how the hydrodynamic radius of a polymer is determined, what constitutes a real chain, the potential between monomers and how excluded volume is calculated from potential, solvent qualities and how excluded volume varies in different cases, and how end-to-end distance scales with polymerization degree for chains in good solvents.

Uploaded by

Ali Hassan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Questions on Lecture 5 from 10 November 2015

1. What is the signal measured in dynamic light scattering?


2. How is the hydrodynamic radius of a single polymer determined?
3. What is a real chain?
4. How does the potential between to monomers look like?
Which possibilities are there?
5. How is the excluded volume calculated from the potential?
6. Which solvent qualities are distinguished ?
What is the excluded volume for the different cases ?
7. How does the end-to-end distance scale with
the degree of polymerization for a chain in a good solvent?

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