Polymers aqa chemistry
Web3. The longer the carbon chain length the lower the melting and boiling points are. 4. The shorter the carbon chain length the higher the melting and boiling points are. Why do … WebCondensation Polymers (A-Level Chemistry) Monomers. Condensation polymers are made from:. Two different monomers – Two different monomer molecules with different …
Polymers aqa chemistry
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WebMost DNA molecules are two polymer chains, made from four different monomers called nucleotides, in the form of a double helix. These polymer chains join together in the shape … WebThe properties of a polymer also depend on the reaction conditions in which the polymer was created.This includes the temperature and pressure of the reaction. Polymers can be …
WebThe ethene is called the monomer and the long product molecule is called a polymer. This sort of polymer is called an addition polymer because lots of molecules have added … WebQ2: How are polymers made? (2 marks) Q3: Fill in the gaps in the following sentence. In these types of reactions, many molecules ( ) join together to form large molecules ( ). (4 …
WebDisposal of polymers. Non-biodegradable polymers are disposed of in three main ways: 1 Landfill; 2 Incineration; 3 Recycling; Landfill is exactly what it sounds like. he polymers are … WebA set of resources to help you introduce polymers as part of the GCSE AQA Chemistry Bonding, Structure and Properties of Matter topic. This lesson pack includes a PowerPoint …
WebCHEM4 - AQA GCE Chemistry Mark Scheme 2010 January series 14 8 (c) (i) H 2/Ni or H ... n as in polymer 8 (c) (iii) ... Mark Scheme – General Certificate of Education (A-level) … how high can an atlantic salmon jumpWebDec 1, 2015 · 3.3.12.1 Condensation polymers (A-level only) amino acids. The repeating units in polyesters (eg Terylene) and polyamides (eg nylon 6,6 and Kevlar) and the … highest winds ever recorded on earthWebPolymers are the long chain macromolecules that are made up of many repeating units called monomers. The concept of polymers was first introduced by a German chemist, … highest windows 10 versionWebApr 3, 2024 · 3.12. Polymers There are two types of polymerisation: addition and condensation Addition Polymerisation An addition polymer forms when unsaturated … highest wind recorded on earthWebOCR 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 … how high can an eagle fly in the skyWebJan 21, 2014 · File previews. pptx, 453.75 KB. Lesson slides to teach AQA properties of polymers AQA 2.2.5. Useful comparison tables which can be supplied as handouts. … highest wind speed ever recorded in usaWebTHE POLYMERISATION OF ALKENES. This page looks at the polymerisation of alkenes to produce polymers like poly (ethene) (usually known as polythene, and sometimes as … highest wind speed