This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
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...
View Full Document
- Spring '10