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An Investigation into Rate of reaction
Member rating: No Rating | Words: | Submitted: Tue Aug 26 2003
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GCSE science Coursework An Investigation into Rate of reaction NOVEMBER 2002 By Helen Crutcher Bibliography Books: 1. Hill, G. (1998) Science for GCSE Hodder and Stoughton. Pages 170-3 2. Smart, T. (1998) visual encyclopaedia of science DK. Page 52 URL's: 3. http://www.studentcentral.co.uk/coursework/essays/1530.html 4. http://www.gcsechemistry.co.ukop1.htm Other: 5. encyclopaedia standard edition 2002, Encarta (computer program) An investigation into rate of reaction The aim of the investigation The aim of this investigation is to see what effect temperature change has on the rate of reaction between Sodium Thiosulphate and Hydrochloric acid. Background information The Collision theory When two substances are put together, the particles of each will collide but they may not react. A reaction can only take place when the particles of the reactants collide with enough energy to break their chemical bonds. When these chemical bonds are broken, new ones can be created between the component substances. The energy required for successful collisions is called activation energy. The more collisions between particles in a given time the...
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