C118LabPolymerStudentworksheet

C118LabPolymerStudentworksheet - chemical was used in the...

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1 C118 Laboratory Preparation of Polystyrene and a Silicone Polymer (Silly Putty) Worksheet Report 25 Points Name______________________ Lab Partner _________________ AI______ 1. (5 pts.) a) Give a general definition of a polymer. b) Draw the chemical structure for silly putty and polystyrene. 2. (5 pts) Draw the mechanism of addition polymerization for polystyrene that was described in class with the use of a radical initiator.
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2 3. (2 pt) In the preparation of polystyrene that you conducted in the lab, what
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Unformatted text preview: chemical was used in the place of a radical initiator? 4. (2 pts.) Give observations about the physical properties of polystyrene. 5. (5 pts.) A separatory funnel was used after the first step (the hydrolysis reaction) in the synthesis of silly putty. Describe what was in the separatory funnel and the purpose of using it. 6. (6 pts.) Give observations from the following steps in the preparation of silly putty. Rxn 1: Dichloromethane + H 2 O (hydrolysis reaction) 3 Rxn 2: Silicone oil + 5% Boric acid Silly Putty Product:...
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This note was uploaded on 07/02/2011 for the course CHEM-C 118 taught by Professor Flood during the Spring '10 term at Indiana.

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C118LabPolymerStudentworksheet - chemical was used in the...

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