MSE450.1 - MSE 450 Homework Set #1 Andrew J. Wu ajwu2 1)...

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Unformatted text preview: MSE 450 Homework Set #1 Andrew J. Wu ajwu2 1) Milk is an emulsion (colloid), the molecules are not uniform in all directions Baby Powder is a granular material that fits under soft materials. Not necessarily a polymer - may not necessarily be formed by repeat units of the same monomers. 2) A The step length corresponds to the length of a single bond between two carbon atoms B (1000^(0.5)) * 0.154 nm = 4.869 nm C From The Science of Polymer Molecules (by Richard M. Boyd), the characteristic ratio of polyethylene as calculated from various models at 413 K is (on average) 6.7. From Part B, we multiply the result by C , we obtain an answer of 32.628 nm. D The image in one split picoseconds would not be spherical. While the sum of the parts may be spherical, there are projections in each of three directions that would...
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MSE450.1 - MSE 450 Homework Set #1 Andrew J. Wu ajwu2 1)...

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