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I aim to investigate the rate and mechanisms of the reactions between magnesium and acids.
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PLANNING Aim I aim to investigate the rate and mechanisms of the reactions between magnesium and acids. Introduction The reactions I will investigate are nitric acid with magnesium, and sulphuric acid with magnesium. I will vary the concentration of nitric and sulphuric acid in separate experiments, and I will vary temperature in order to study what effect these variables have on the rate of reaction. The mass of magnesium used will remain constant. My experience in chemistry suggests that the rate will increase with both concentration of acid and temperature, the exact relationships will be investigated. The variation of rate can be described by the rate equation, specific for each reaction. The rate equation must be found by experiment rather than predicted by theory, it takes the form: Rate = k[A]x[B]y where the square brackets indicate the concentration of the substance indicated inside them, the x and y indicate a power that this concentration is raised to...
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