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GCSE Chemistry - Limestone and Carbon Dioxide Coursework
Member rating: No Rating | Words: | Submitted: Sat Jun 29 2002
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GCSE Chemistry - Limestone and Carbon Dioxide Coursework Hypothesis I think that the smaller limestone chips will produce the greater amount of carbon dioxide than the larger chips as there will be a greater surface area for the acid to react upon. This is because the greater the surface area the higher the amount of collisions between limestone and acid particles. Therefore the smaller chips will lose a greater mass. The formula for this reaction is Marble + Hydrochloric = Carbon + Water + Calcium Chips Acid Dioxide Chloride CaCO3(s) + 2HCL(aq) = CO2(G) + H2O(l) + CACL2(aq) Method · Set up apparatus as shown in diagram. · Weigh the correct mass of limestone. · Add acid to the limestone and record the change in mass. · Repeat for each chip size. Safety · Be careful handling the acid. · Wear goggles at all times. · Be careful dropping limestone into glass beakers. Fair Test Variable Particle Size Factors remaining the same Same mass of limestone Same volume of acid Same...
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