Define a crystalline and a crosslinked polymer

Reference no: EM13511700

1.) How would you distinguish experimentally between an amphourous, a crystalline and a crosslinked polymer?

2.) Consider 3 samples of polyisobutylene. All molecules in sample A have a molecular weight 30,000g/mol; all those in B have a molecular weight of 70,000 g/mol; and those in C have a molecular weight of 100,000 g/mol. If 10g of A are mixed with 5g of B and 1g of C, Calculate average Mn and average Mw.

Reference no: EM13511700

Questions Cloud

Define the effects of chain transfer with carbon tetrachlode : If carbon tertrachloride is added to the systems, describe the effects of chain transfer with carbon tetrachloride on the polymer composition and average molecular weight.

Describe how you think the society would evolve over time : Describe how you think the society would evolve over time, and why. Would people form families? Would they band together in groups? Would markets evolve? Some form of police? Some form of law? Some form of government? Make sure you explain why or ..

Define what total volume of ozone measured at a pressure : What total volume of ozone measured at a pressure of 21.0 {\rm mmHg} and a temperature of 227 {\rm K} can be destroyed when all of the chlorine from 12.0 {\rm g} of {\rm{CF}}_3 {\rm{Cl}} goes through ten cycles of the above reactions

What time interval is required for the cord : A 91.0-kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the cord is 15.0 m. What time interval is required for the cord to stretch by 26.0 m

Define a crystalline and a crosslinked polymer : How would you distinguish experimentally between an amphourous, a crystalline and a crosslinked polymer

Calculate the escape speed from the surface of eris : Eris, the largest known dwarf planet in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. Use these numbers to calculate the escape speed from the surface of Eris

What is meant by sustainable development : First, differentiate between the Boomsters and Doomsters in at least three ways (3 pts). Next, define and discuss what is meant by “sustainable development” and give an example of it (3pts). After establishing what sustainable development is, stat..

Calculate the estimated cost of indirect supplies : Calculate the estimated cost of indirect supplies and explain briefly what the value of the coefficient of determination

Evaluate the mass of ki in grams required to prepare : Calculate the mass of KI in grams required to prepare 8.00 multiplied by 102 mL of a 1.00 M solution

User Account

All Pages