). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly explain
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). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly...
2. Draw a single repeat unit of each; polyvinylchloride (PVC) and polystyrene (PS). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly explain..... (4 points)
When do cored structures (grains) form during cooling of an alloy – Equilibrium or non-equilibrium cooling? Why? ..........(4 points) a)Note: Explain what component (higher or lower melting point) forms the core (center) and the boundary (outer edges) of the cored structure (grain)? Draw a single repeat unit of each; polyvinylchloride (PVC) and polystyrene (PS). Which is more likely to be crystalline, linear syndiotactic PVC or linear atactic PS? Briefly explain..... (4 points)
Which one is more likely to form extensive crystalline regions, isotactic or syndiotactic?
a.) It is found that syndiotactic polystyrene may be partially crystallized whereas atactic polystyrene is amorphous. Why is this so? b.) Which crystallizes more readily, isotactic polypropylene or atactic polypropylene. Justify your answer
a.) It is found that syndiotactic polystyrene may be partially crystallized whereas atactic polystyrene is amorphous. Why is this so? b.) Which crystallizes more readily, isotactic polypropylene or atactic polypropylene. Justify your answer
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Draw isotactic, syndiotactic, and atactic polyvinylchloride (polymerized from chloroethene, and circle which one(s) that will definitely not exhibit any crystallinity. (3 pts) CI C=C Chloroethene monomer:
Which will likely be more soluble in water, MgO or NaCl? Explain briefly the thermodynamic reason for your answer.
. Briefly explain why firms operating with significant excess capacity are more likely to instigate price wars. (2 points) (Chapter Dynamics:Competing Across Time)
Which will cause more crystalline damage for P implantation into Si, if the implantation is carried out at 100keV, or at 200keV? Give a rationale.Hint: think about stopping mechanisms
which intermediate is stabilized more effectively by
the nitro group? briefly explain
Briefly explain why examples of pure socialism and pure capitalism tend to be more theoretical in nature and less likely to be found in reality.