The Rate of Reaction Of Metals with Acids :: GCSE Chemistry Coursework Investigation

The Rate of Reaction Of Metals with AcidsIntroductionIn this probe I will be looking at the rate of receptionbetween a metal, which will be milligram ribbon, and an pungent. The sharps will every be hydrochloric, ethanoic, sulphuric or phosphoricacid. I will be molding out if the energizing energy changes dependingon whether a self-colored or weak acid is exercised. I will also be investigatingwhether or not there is a change in the order of reception if a dibasicacid is used instead of a monobasic acid.PlanningThis investigation is therefore split up into separate experiments. taste 1 is to find the activation energy for the reactionsbetween hydrochloric acid and atomic number 12 ribbon, then ethanoic acid andmagnesium ribbon. The only way to find the activation energy is totime how huge it takes for the reaction to complete at divergenttemperatures. Experiment 2 is to find the order of reaction betweenmagnesium ribbon and hydrochloric acid, then sulphuric acid. There a rseveral methods that locoweed be used to find the order of reaction I could use an excess of magnesium ribbon and note down how much tout has evolved every 10 seconds until the reaction has finished. I could repeat the same affair as above, but with an excess of acid instead of magnesium ribbon. I could use an excess of acid and change the concentration, this would not require the reaction to be completed so I would have to time how long it takes for a set amount of hydrogen gas to form.There are several chemical equations that are relevant to thisinvestigation-Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g)Mg(s) + H2SO4(aq) MgSO4 + H2(g)Mg(s) + 2CH3CO2H(aq) Mg(CH3CO2)2(aq) + H2(g)3Mg(s) + 2H3PO4(aq) Mg3(PO4)2(aq) + 3H2(g)In my experiments I will not be using phosphoric acid collect to timerestrictions and it is not relevant to the problems I am discussing,because it is a tribasic acid and I am comparing monobasic and dibasicacids.The equation needed to find the activation energy in a reaction iscalled the Arrhenius equation.In k = unvaried EA/R (1/T)Where k = rate constantEA = activation energy (J mole)R = gas constant, 8.31 J K molT = temperature in KelvinInitial Problems- The time restriction makes it extremely hard to find the order of reaction by timing how long it takes for all the magnesium to disappear.- I do not want to directly heat acid as this is dangerous when only