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1.1Aim The aim of this experiment is to find out if doubling the concentration and the temperature will double the reaction rate. Different factors affect reaction rate between Marble chips (CaCO3) and Hydrochloric acid (HCl) when it takes place to produce Calcium Chloride and Water and Carbon dioxide. There are many factors effect the rate of this reaction such as the following: 1. Temperature 2. Concentration The reaction that will take place is Hydrochloric acid + Calcium Carbonate>======>Calcium Chloride + Water + Carbon dioxide The equation for this reaction is: 2HCl +CaCO3>======>CaCl2 + H2O + CO2 I predict that if the concentration of the HCl is doubled then the experiment will happen twice as fast. This is because twice as many HCl particles will be present than previously and there will be twice as much chance of the calcium carbonate chips colliding with the concentrated hydrochloric acid. Therefore when the concentration is double...

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