Material Revolution 1.0 / 5 based on 1 rating ? ChemistryGreen ChemistryA2/A-levelOCR Created by: Martha BakerCreated on: 07-01-13 21:48 Hydrogen bonding hydrogen atom attached to NOF with a lone pair of electrons (**) 1 of 25 Permenant dipole large difference in electronegativety between to polar molecules 2 of 25 Instantaneous induced dipole electron movement, form charge cloud = temporary dipole 3 of 25 Electronegativety ability to attract bonding electrons in a covalent bond 4 of 25 Primary amine H - N(**) (-H) - R 5 of 25 Secondary amine H - N(**) (-R) - R 6 of 25 Tertiary amine R - N(**) (-R) - R 7 of 25 Amine properties Basic, soluble, ligand & nucleophile 8 of 25 Amide R - C (=O) - N (-H) - R 9 of 25 Addition polymerisation breaking of a double carbon bond 10 of 25 Condensation polymerisation water formed as a by product of the reaction 11 of 25 Polamide Dicarboxylic acid + Diamine 12 of 25 Polester (nylon) Diol + Dicarboxylic acid 13 of 25 Amine - acylated Amide 14 of 25 Tm Melting temperature- soften 15 of 25 Tg Glass transition temperature- no longer glassy 16 of 25 Crystalline Straight chain, closer = stronger intermolecular forces (ordered) 17 of 25 Amorphous Not ordered = weaker intermolecular forces 18 of 25 Cold drawing Extending polymer, increase crystallinity 19 of 25 Co-polymerisation Adding different polymers to alter shape, decreases bond strength 20 of 25 Plasticiser Adding small molecules between chains, increases flexibility 21 of 25 Amide + dilute acid -> Carboxylic acid + Ammonia salt 22 of 25 Amide + dilute alkali -> Caboxylate ion + Ammonia gas 23 of 25 acid hydrolysis (ester) Carboxylic acid + alcohol 24 of 25 Base hydrolysis (ester) Carboxylic salt + alcohol 25 of 25
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