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An investigation into the factors which effect the rate of reaction of marble chips and hydrochloric acid.
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Carol Bhaskar 11HEA Chemistry coursework, An investigation into the factors which effect the rate of reaction of marble chips and hydrochloric acid. Aka; the fizz Introduction/aim/prediction all rolled into one. Aim; This investigation aims to examine the reaction rate between Marble Chips (Calcium carbonate - CaCl) and hydrochloric acid (HCl). Four main things affect this rate; * CONCENTRATION - denser substance means more particles, this means the molecules will collide with each other more often increasing the reaction rate. * TEMPERATURE - increase in temperature means increase in the speed of motion in particles, again increasing the number of collisions and thus the reaction rate. * SURFACE AREA - this increases the area of substance accessible to the other reactant. * CATALYSTS - catalysts alter (usually increase) the rate of reaction, without being changed during the reaction. This investigation is too look into how varying one of these factors will affect (increase/decrease/does not change) the reaction rate. I have...
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