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Unformatted text preview: Grodin, Micah – Homework 7 – Due: Mar 28 2006, 11:00 pm – Inst: Sara Sutcliffe 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points Polyvinyl chloride (PVC) is made from the monomer CH 2 CHCl. Which would NOT be a possible arrange- ment? 1. C H Cl C H H C H H C H Cl C H Cl C H H C H H C H Cl 2. C Cl H C H H C H H C Cl H C H H C Cl H C Cl H C H H C H H 3. C H Cl C H H C H Cl C H H C H Cl C H H C H Cl C H H 4. C Cl Cl C H H C Cl Cl C H H C Cl Cl C H H C Cl H C H H 002 (part 1 of 1) 10 points What is the dominant structural difference between high density (HDPE) and low density (LDPE) polyethylene? 1. chemical composition of the monomer units 2. length of the chain 3. chain branching 4. covalent bonding in HDPE versus non- covalent bonding in LDPE 5. covalent bonding in HDPE versus hydro- gen bonding in LDPE 003 (part 1 of 1) 10 points Polypropylene is made from propylene CH 3 CH CH 2 ....
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This homework help was uploaded on 04/07/2008 for the course CH 304k/305k taught by Professor Sutcliffe during the Fall '05 term at University of Texas.
- Fall '05