Section9part1

Section9part1 - C C H H H H n R R 9.3 e.g., stiff PVC for...

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If the average molecular weight of one polyethylene chain is about 30,000 g/mol How many monomer units were used in its preparation? Hint – what is the molecular weight of ethylene? MW (C) = 12 g/mol A. About 200 B. About 1,000 C. About 2,000 D. About 10,000 C C H H H H If each ethylene was about 1 cm, how long would the polymer chain be? What is the difference between the single chain and a plastic bag?
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What would you start to make jail-proof toothbrushes out of? A. LDPE B. HDPE C. V (PVC) D. PS E. PP Core concepts: 1. describe uses for the Big Six polymers 2. Be able to draw and name several functional groups If one polyethylene chain contains about n = 1000 monomer units What is the average molecular mass? Hint – what is the molecular weight of ethylene? MW (C) = 12 g/mol Answers: A. About 280 g/mol B. About 2,800 g/mol C. About 28,000 g/mol n ~ 1000 Average MW of PE is between 10,000 and 100,000 g/mol A PE molecule is a macromolecular form of a hydrocarbon Cell ! s Alive
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Unformatted text preview: C C H H H H n R R 9.3 e.g., stiff PVC for credit cards and Fexible for garden hose How would you classify this one ! ? A. head-to-tail, head-to-tail B. Random C. Head-to-head, tail-to-tail 1 2 A. PE B. PP C. PS D. PVC E. PETE/PET What are both of these cups made out of? Consider This 9.16: Can All Organic Acids and Alcohols form Polyesters? Y or N? Acetic Acid (Vinegar) Ethanol (150% Proof alcohol) C H H H O O H H C H H C H H O H This is the structural formula of the amino acid alanine Is is possible to make a condensation polymer from using this monomer alone? C C H N CH 3 H H O O H A. Yes B. No From natural to synthetic Which of the following statements is true? A. Nylon is a condensation polymer that forms an ester linkage. B. Diamines and dialcohols form amide linkages C. Diacids and diamines eliminate water to form nylon D. Polymerization to form nylon needs a radical initiator...
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Section9part1 - C C H H H H n R R 9.3 e.g., stiff PVC for...

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