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The effect of surface area on the reaction rate between marble chips and hydrochloric acid.
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Bhaktipriya Nayan Kapadia- Chemistry coursework Introduction: - In this investigation I have a choice to change any variable too see what effects it could have. I am changing the Surface area to investigate which size particles are the fastest, and the quantity of gas (co2). The other variables I could choose from to investigate are: * The temperature of the acid * The surface area of the test tube/flask * Mass * Concentration Aim: - I am investigating the affect of surface area on the rate of reaction between Hydrochloric acid and Marble chips of different sizes. I will be investigating which size of Marble chips will react the fastest with Hydrochloric acid. Equations: - Marble +Hydrochloric Calcium +carbon + Water vapour Chips acid chloride dioxide CaC03+ HCl CaCl3 + CO3 + H20 Bhaktipriya Nayan Kapadia- Chemistry coursework Prediction and Background Science: - I predict that the smaller the particles the faster the reaction. The reaction will be faster with smaller...
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