Gcse Sodium Thiosulphate Coursework

PLANNING AIM To find if changing changing the concentration of an acid will increase or decrease the rate of the reaction when marble is dissolved in hydrochloric acid. With the equation CaCO3, 2HCl CaCl2 H2O, CO2 HYPOTHESES A reaction occurs when particles collide.A grade GCSE chemistry coursework - Rates of Reaction Decomposition of Sodium Thiosulphate This is an investigation about the decomposition of sodium thiosulphate. There are many factors variables which determine how fast or slow the reaction can take place rate of reaction. These are:, Initial volume of sodium thiosulphate. GCSE Chemistry GCSE CHEMISTRY COURSEWORK : Titrations. Words: 2086 Views: 1903 0. Titrations Introduction: In this experiment we are going to be testing to see which antacid tablet works the best in helping us get rid of stomache aches. From our preliminary experiment, the results we got told us that Rennie was the best antacid tablet with the. . . GCSE Chemistry Coursework : Investigating the rate of a reaction Your task is to plan, and carry out, an experiment to discover how to change the rate the reaction between. . ., Sodium thiosulphate solution and dilute hydrochloric acid are both clear, colourless liquids.Sodium hydroxide solution, the cooled liquid made up to a litre, and 50 then treated with 8 of a 10 per cent. Solution of potassium iodide, together with about 18 cc. Of a 20 per cent. Solution of hydrochloric acid, 200 of water, and a slight excess of sodium thiosulphate solution. The excess of thiosulphate is titrated with iodine solution.Gcse Chemistry Coursework 4457 Words, 18 Pages. The more CO2 produced over this time, the higher the rate of reaction. In this equation, there are 3 possible independent variables: a changing the size of the marble chips e. g. large, small, powdered whilst keeping the mass the same, b changing the mass of the marble chips whilst keeping the size the same e. g. all …Chemistry Gcse Coursework Rates of Reaction Tutor Papers April 20th, 2019 - Chemistry Gcse Coursework Rates of Reaction Investigating how the concentration of sodium thiosulphate STS and hydrochloric acid HCL affects the rate of reaction in the experiment In addition I am also checking how different variables affect
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