Quiz 7 potential problems ChE 350 F09

Quiz 7 potential problems ChE 350 F09 - 750,000 5 700,000 8...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Sample questions for ChE 350 Fall 2009 Quiz 7 Name:________________________ 1 1. Using the data provided in the table for a polymer sample, answer the following questions: (a) Determine the number average molecular weight: _____________________ (b) Determine the weight average molecular weight: ______________________ (c) Determine the polydispersity index: ________________________ Number of Molecules Mass of each Molecule 1 800,000 3
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 750,000 5 700,000 8 650,000 10 600,000 13 550,000 20 500,000 13 450,000 10 400,000 8 350,000 5 300,000 3 250,000 1 200,000 2. (a) Write the chemical formula for the polymer, polyethylene.________________ (b) What is the monomer molecular weight of polyethylene?: ___________________ (c) What is the average degree of polymerization for a sample of polyethylene with a number average molecular weight of 280,000? ______________________...
View Full Document

This note was uploaded on 12/13/2011 for the course CHE 350 taught by Professor Sanchez during the Spring '08 term at University of Texas.

Ask a homework question - tutors are online