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The aim is to investigate how the rate of reaction varies when the concentration of the hydrochloric acid is changed.
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Chemistry coursework Planning. Aim: The aim is to investigate how the rate of reaction varies when the concentration of the hydrochloric acid is changed. Introduction: The rate of reaction is how quickly a chemical reaction happens. For a chemical reaction to take place particles must collide, this is called the collision theory. The more collisions between particles in a given time the faster the reaction. It is important for people in industry to know how quickly something will be made. The chemical reaction I will be investigating is between marble chips (chemically known as calcium carbonate) and hydrochloric acid. Symbol equation: CaCO3 + 2HCl –> CaCl2 + CO2 + H2O Word equation: Calcium + Hydrochloric –> Calcium + Carbon + Water Carbonate acid chloride dioxide Prediction: I predict that the higher the concentration of the acid the quicker the rate of reaction will be. I predict this because I found in a...
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