Webpolymerised to form the polymer known as PGA. PGA is used in surgical sutures (stitches). (i) Draw the repeating unit of PGA. (1) (ii) Production of PGA occurs via a cyclic compound. Two HOCH 2 COOH molecules react together to form the cyclic compound and two molecules of water. Draw the structure of this cyclic compound. (1) WebDraw 2 repeat units of polypropene. SteveCrain. from addition polymerisation of: H3C---CH===CH2. My question: Does it matter if my first carbon in the repeat units is the one with the methyl group? In the mark scheme it isn't. Reply 1. 11 years ago. Normandy114.
Polyisoprene repeating unit - Big Chemical Encyclopedia
WebJul 25, 2024 · The properties and uses of Poly(propene), incorrectly but in industry called 'polypropene' Poly(propene) is made from propene and is stronger, more rigid and hard … WebPolychlorotrifluoroethylene (PCTFE or PTFCE) is a thermoplastic chlorofluoropolymer with the molecular formula (CF 2 CClF) n, where n is the number of monomer units in the … graduate students worldwide face cash crunch
The polymer poly(propene) is manufactured from propene. Write …
WebYou can simply estimate this value by regarding the average lamellar thickness (10-20 nm, but it also depends on the structural and molecular properties and crystallization … Web4:49 (Triple only) Understand how to write the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is … WebApr 6, 2024 · A. and B. show amide linkages between repeating units, while C. and D. show something else. Here is the exercise rewritten to emphasize the amide bonds in the … graduate student scholarships social work