Concentration of Acid and Indigestion Tablet

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An Investigation to see How the Concentration of Hydrochloric acid affects the Rate of Reaction with Calcium Carbonate

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Length: 3036 words (8.7 double-spaced pages)
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An Investigation to see How the Concentration of Hydrochloric acid affects the Rate of Reaction with Calcium Carbonate

I am going to investigate how concentration of hydrochloric acid affects the rate of reaction between hydrochloric acid and indigestion tablets which contain mainly calcium carbonate.

From my background knowledge from class work and books, (see references) I have found out that if you increase the concentration of hydrochloric acid, the rate of reaction will increase and the time of the reaction will decrease. The concentration is dependant on the proportions of hydrochloric acid and water in the solution. The stronger the hydrochloric acid is, the higher the concentration is.

I know from my research that other things can affect the rate of reaction, for example:

Temperature of acid- the higher the temperature of the acid is, the more energy the particles have to move around, therefore there are more collisions and so a faster rate of reaction. There is a certain amount of energy needed for the particles to react which is called the activation energy, so when the temperature of the solution is higher, it gives more particles sufficient energy so they move faster to react when they collide more.