Polymers aqa
http://www.alevelchem.com/aqa_a_level_chemistry/unit3.2/sub3209/03.htm WebFeb 16, 2024 · 1. Process of adding monomers to a growing chain. 2. Formation of a disulphide bond between two amino acids. 3. Process of removing monomers from a …
Polymers aqa
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WebOCR A Chemistry A2 Student Unit Guide: Unit F324 New Edition: Rings, Polymers and Analysis ePub - Mike Smith 2013-01-25 Student Unit Guides are perfect for revision. Each … WebDisposable nappies have a pad containing a special polymer called a hydrogel. Hydrogels absorb water. A company called Aqanaps compared the water absorption of its nappy pads with nappy pads made by other companies. € € € € •€€€€€A scientist from Aqanaps poured 100 cm3 of water onto the pad of one of their nappies.
http://alevelchem.com/aqa_a_level_chemistry/unit3.4/s3409/03.htm WebApr 3, 2024 · 3.12. Polymers There are two types of polymerisation: addition and condensation Addition Polymerisation An addition polymer forms when unsaturated …
WebUses of condensation polymers. Polyesters such as Terylene, also known as polyethylene terephthalate (or PET) is a thermoplastic which can be repeatedly heated to soften and melt it and cooled to solidify it. Terylene can be extruded to form fine fibres for use in artificial fabrics or moulded into fizzy drinks bottles and containers; The best known example of an … WebSolid polymers usually have longer chains, above 10 000 g/mol to several million of g/mol. The strength and flexibility of a polymer depends on different factors. One is the chain …
Web3.3.12.1 - Condensation Polymers Condensation polymers form when a water molecule is removed from the species of a reaction. There are three main types of condensation …
WebAQA A-Level Biology Monomers and Polymers. Lesson Content 0% Complete 0/2 Steps A Level Biology – Bonding in Monomer and Polymers. A Level Biology – Benedict’s test for … high spending powerWebPolymers take different forms. Cellulose is a natural polymer that is made by plants. This is not a polymer of an alkene but of glucose molecules, joined together in long chains. … how many days since 6/28/2022WebThere are variable numbers of atoms in the chains of a given polymer. ... Giant covalent molecules - AQA; Metals and alloys - AQA. Sample exam questions - bonding, structure … high spf chapstickWebMaterial categories and properties - polymers and textiles. No deck description has yet been added by the author. 8 cards More about. DT GCSE AQA. School Unspecified Program … how many days since 6th augustWebView AQA-74083BE-MS-NOV21.PDF from PHYSICS 325 at University of Wisconsin, Madison. ... are polymers of amino acids such as albumins in egg globulins in milk glutelins. … how many days since 6/19/22WebAddition polymers Condensation polymers Formed by the repeated ... AQA a-level BIOLOGY 7402 2 Paper 2 2024 Mark Scheme. AQA a-level BIOLOGY 7402 2 Paper 2 2024 Mark … how many days since 7/10/22WebDec 1, 2015 · The advantages and disadvantages of different methods of disposal of polymers, including recycling. Students should be able to: explain why polyesters and … high sperm count low motility