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Study the factors which effect the rate of reaction between Calcium Carbonate (marble chips) and Hydrochloric acid
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Study the factors which effect the rate of reaction between Calcium Carbonate (marble chips) and Hydrochloric acid Chemical equations: Calcium carbonate + hydrochloric acid Calcium chloride + carbon dioxide + Water CaCO3 (s) + 2HCL (aq) CaCl2 (aq) + CO2 (g) + H20 (g) Choice of method In our experiment the chemicals we are using will give off a gas so we can collect this in order to record our results. Variables I am going to vary the temperature of the solution each time. Controlled I am going to keep the concentration, size of marble chips, amount of solution and time left to react constant though out the whole experiment. Scientific Knowledge The concentration of a solution changes the results you will get. This is because if the concentration is increased then there will be more reactant particles present and thus create more collisions and therefore will create more successful collisions. This will give you a faster reaction. If you decrease the concentration of a solution...
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