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Rates of Reaction.
Member rating: No Rating | Words: | Submitted: Fri Jan 09 2004
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CHEMISTRY COURSEWORK SKILL P - RATES OF REACTION * There are four factors that affect the rate of a chemical reaction. These are Temperature, Surface area, concentration and the use of catalysts. * I am going to investigate the factors that affect the rate of reaction between marble chips and dilute Hydrochloric acid. The chemical reaction for this is : - CaCO3 (S) + 2HCL (aq) CaCL2 (aq) + H2O ( l ) + CO2 * The factors that affect this reaction are: - Temperature: - In a cold reaction mixture the particles are moving quite SLOWLY - the particles will collide with each other less often, with less energy, and less collisions will be successful. If we heat the reaction mixture the particles will move more Quickly - the particles will collide with each other more often, with grater energy, and more collisions will be successful. The more the collisions the faster the rate...
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