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How the surface area/particle size affects the rate of reaction by measuring the amount of gas produced and weight loss in a reaction between small, medium and large pieces of Marble Chips (Calcium Carbonate) and Hydrochloric
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Affect of Particle Size In this investigation, I am going to find out how the surface area/particle size affects the rate of reaction by measuring the amount of gas produced and weight loss in a reaction between small, medium and large pieces of Marble Chips (Calcium Carbonate) and Hydrochloric acid per minute. Hypothesis The rate of reaction increases when the surface area of a solid reactant is increased. This happens because by increasing the surface area we are also increasing the rate of collisions between the particles. When there is more of the reactant to react with the reaction speeds up. Therefore, my hypothesis is that the reaction will be faster when using small chips, so the gas will be produced faster than medium sized chips of calcium carbonate and then large chips of calcium carbonate. Apparatus that will be used: * Conical flask * Cotton wool * Scales * Measuring cylinder (50ml) * Stopwatch Method * Take one...
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