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Chemistry Rate of Reaction Coursework Aim: To investigate how concentration of acid affects the rate of reaction, between limestone and hydrochloric acid. I am going to investigate the rate of reaction between calcium carbonate and hydrochloric acid and using concentrations of water to adjust the experiment. Thus making water the variable, then I am going to analyze the results to then conclude with whether concentration affects rate of reaction and how diversely it affect the reaction and what are the factors during such experiments. The rate of a reaction is the speed at which a reaction happens. If a reaction has a low rate, that means the molecules combine at a slower speed than a reaction with a high rate. Some reactions take hundreds, maybe even thousands of years while other can happen in less than one second. The rate of reaction depends on the type of molecules that are combining. Prediction: I predict...

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