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The more concentrated the hydrochloric acid is, the faster the reaction will take place.
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Chemistry Coursework Key Variables Temperature Cold Inside of a cold solution the particles inside of the solution move slowly. Therefore when the particles collide, because they do not have very much energy, the amount of successful collisions decreases. Hot If the solution is hot there is more kinetic energy meaning that the particles will move around faster, resulting in more successful collisions and the final result will be quicker. Surface Area Large The larger the particle the smaller the surface area is in according to the volume of the substance. Fewer particles of the substance are exposed and therefore there are fewer particles available for other particles to collide with. This results in fewer collisions taking place. Small The smaller the particle the larger the surface area is in relation to the size of the particle. More surface area of the particles are exposed because of their small size and therefore there will be more collisions, resulting...
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