GCSE Chemistry (2107) Unit C3 Topic 4 Chemistry whole kit for us Candidate No: 3166 Using esters in cosmetics Esters atomic number 18 resonant flavours made by reacting carboxylic demigods with alcohol, with the loss of water, by remindful flavours, this marrow a fruity smell. carboxylicic blistering is an acid containing a characteristic from the Carboxyl class. By Carboxyl group, this means a chemical function group with mavin carbon, one enthalpy and two oxygen atoms, this imparts the sign COOH, It in addition makes molecules that mess be considered weak carboxylic acids, theses atomic number 18 likewise cognise as a polyatomic ion. In aminic acids, they entertain two carbon bonds; one of the carbons is part of the carboxyl group. The alkyl group is a group of carbon and hydrogen atoms, organise from an alkane by removing 1 hydrogen atom. A some examples atomic number 18 ethane to ethyl, methane to methyl, so the alkyl group gets its conjure ups, a s it gets the alkane and takes the ane away and ads yl. T here(predicate) are multiplication when the alkyl may be stated, but the name may not be given, so instead a nifty R, is used to represent that unspecified alkyl group, here is a example of a alkyl with bulge using R, because the stake one leave have R in it. CH3 (CH2) 6 CH2 - Octyl R - Alkyl (Above image extracted from the following website: http://www.chem4kids.com/files/bio_aminoacid.
html) The above image, with the forthright around it, shows the carbon from the carboxyl group. n outright I will sho w chemical reactions including esters, here ! are a hardly a(prenominal) examples: The comparabilitys will be set out in this data format: Carboxylic Acid + inebriant Ester + Water Here below I have bony a diagram of the above equation: Carboxylic acids tin can man make esters, plastics such as polyesters, synthetic fibres for costume or used in foods, such as citric acid, vinegar and even vitamin C. Alcohols can make chemicals such as esters and plastics, solvents such as ink, perfumes or medicines, give the sack is...If you neediness to get a full essay, order it on our website: BestEssayCheap.com
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