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An investigation into how concentration affects the rate of a chemical reaction.
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An investigation into how concentration affects the rate of a chemical reaction Background information To investigate how concentration affects the rate of reaction we will be reacting calcium carbonate and hydrochloric acid. To make this a fair test we will have to keep all variables the same except the one we area investigating. The products of the reaction between calcium carbonate and hydrochloric acid are calcium chloride and carbon dioxide. To measure the rate of reaction we will be measuring the volume of carbon dioxide produced. The size of the marble chips available will be medium sized. The highest concentration available in the experiment is 2 molars. Collision Theory The collision theory is based on the successful 'collisions' of two reactants, with or without a catalyst. The number of 'collisions' depend on these things, ? Surface area if there is more particles to collide with then there is more chance of a reaction. The equation for...
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