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Coursework - Investigating rates of reaction Aim: To see what effects changing the concentration of hydrochloric acid will have in a reaction between magnesium and hydrochloric acid. Prediction: The higher the concentration of acid, the faster the rate or reaction will be. Background Info: The phrase "rate of reaction" means "how fast is the reaction" or "the speed of the reaction." Rates of reaction can vary from very slow reactions such as rusting to very fast reactions such as magnesium dissolving in hydrochloric acid (the investigation I am doing). There are things that can speed up reactions; they are called catalysts, which can be a transition metal or an enzyme which reduces time to save money. There is a rate equation to show the rate of reaction, it is: The overall order of reaction is given by (a + b), a or b usually have values such as 0, 1 or 2. If...

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