Bitesize polymers
WebMost polymers are formed by processing crude oil but they can be made from both natural and synthetic resources. They are sold as sheets, films, bars, rods, granules and tubes. Thermoforming... WebSep 23, 2024 · Polymer facts for kids. A polymer is a molecule, made from joining together many small molecules called monomers. The word "polymer" can be broken down into "poly" (meaning "many" in Greek) …
Bitesize polymers
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WebPolymers - Materials - KS3 Chemistry - BBC Bitesize - BBC Bitesize Home Support Careers KS3 Polymers Part of Chemistry Materials Key Points Polymers are very long chain molecules made... WebPolymers Addition polymers are made from molecules containing C=C bonds. Polymers have different uses that depend on their properties. DNA, starch and proteins are …
WebPolymerisation - Plastics - National 5 Chemistry Revision - BBC Bitesize National 5 Plastics Plastics are widely used as they have many useful properties. Most plastics and synthetic fibres are... WebPolymers Materials are chosen based on factors including working properties, aesthetics, environmental impact, function, manufacturing processes etc. It is important to choose a material fit for purpose.
WebPolymers are available in many stock forms. The table below identifies some of these stock forms and their uses alongside polymers commonly available in that stock form, although they can also... WebMost polymers are formed by processing crude oil. Rubber is a plastic that is found naturally. Acrylic (PMMA) - used for car lights, visors and baths Hard, brittle, shiny, available in a wide ...
WebMost polymers are obtained from crude oil often found deep within the Earth’s crust. It is accessed by drilling, which can be a costly and messy process. Some polymers can be derived from...
Webpolymer. The glass fibres make the material strong, the polymer makes it lightweight. These properties make it useful for making these kayaks which have to float and could be bumped by rocks... iras allowable rental expensesWebSome small molecules, called monomers, can join together to make very long molecules, called polymers - this process is called polymerisation. Many polymers are made from chemicals obtained... iras allowance taxableWebPolymerisation is the process in which many small monomer units combine to form one large polymer molecule. The alkenes ethene and propene are two important feedstocks in the petrochemical ... iras amendment portal gatewayWebAddition polymers - Polymers - GCSE Chemistry (Single Science) Revision - Edexcel - BBC Bitesize GCSE Edexcel Polymers Addition polymers are made from molecules containing C=C bonds.... order a lawn mowerWebSurface finishes. Some polymers that are formed in a mould are self-finishing, meaning that the inside surface of the mould is so smooth that the form that is taken from it is also smooth. A motorbike helmet is a good example - the outside of the helmet is smooth because of the mould it was made in. Once a polymer has been cut or shaped from ... iras allowance declarationiras amendments toolWebPolymers are poor conductors of electricity and heat, but their other properties vary depending upon the particular polymer. For example, they can be transparent or opaque. They are often tough... iras allowance