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0000Chemistry Investigation July 1998 Stephen Pickett 10E Contents Description Page Front page 1 Contents 2 Brief 3 Research 3-7 Measurements 7 Fair Test 7 Safe Test 8 Methods 8 Plan 8-10 Hypothesis 10 Experiment 10-14 Analysis 14-15 Evaluation 15-16 Chemistry Investigation Brief I am going to investigate how sulphuric acid (H2SO4), when added to magnesium at different concentrations, will affect its rate of reaction. I will measure all sulphuric acid concentrations in moles (M). Research I am already aware that sulphuric acid is an acid that may be used in a variety of ways, for example in some medicines, in gunpowder and photo developing. I also know that magnesium is a metal which oxidises and burns with a high temperature flame. It can be used in explosives and fireworks. The equation for this reaction is: Mg(s) + H2SO4(aq) --> MgSO4(aq) + H2(g) the word equation is: Magnesium + Sulphuric Acid --> Magnesium Sulphate + Hydrogen The following information was drawn from the Microsoft Encarta '95 Encyclopaedia and the Britannica on-line Encyclopaedia. Sulphuric Acid Sulphuric Acid, H2SO4,...

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