1118 words - 4 pages chemistry coursework:an investigation of the affect of the concentration an of the rate of reactionintroductionwe are trying to find out the affect of acid concentration on the rate of reaction, we are using 2, 15, 1, 05, 025 molar acid in our experiment, we are reacting it with sodium thiosulphate. These revision notes are suitable for gcse igcse o level ks4 science chemistry students studying 'rates of reaction' the descriptions of experiments to do with interpreting graphs from rates experiments and the theoretical explanations should help with homework, coursework assignments, laboratory experiments 'labs'. A solution of hydrogen peroxide is mixed with one containing potassium iodide, starch and sodium thiosulfate after a few seconds the colourless mixture suddenly turns dark blue this is one of a number of reactions loosely called the iodine clock it can be used as an introduction to experiments on rates / kinetics. Introduction my investigation is about the rate of reaction a rate of reaction is defined as how fast or slow a reaction takes place for example, the oxidation of iron under the atmosphere is a slow reaction which can take many years, but the combustion of butane in a fire is a reaction that takes place in fractions of a second. Is the reaction of calcium carbonate with hydrochloric acid zero order, first order, or second order with respect to hydrochloric acid3 is the evidence sufficient for you to draw a firm conclusion (you can use evidence from others in your class too if necessary) 4 write a rate equation for the reaction 5 draw and complete a.
Rate of reaction coursework aim: to investigate how temperature affects rate of reaction introduction: i am going to investigate how temperature affects the rate of reaction of hydrochloric acid with calcium carbonate this is the reaction that will take place: hydrochloric acid + calcium carbonate è calcium carbonate. A secondary school revision resource for aqa gcse additional science about chemical reactions, energy changes, rates of reaction and reversible reactions. Introducing rates of reaction introduction you know that some reactions happen very quickly (for example, potassium reacting with water) on the other hand, some reactions are very slow (for example, the rusting of iron or the setting of concrete) many chemists in industry spend their careers trying to speed up or slow.
A grade gcse chemistry coursework, rates of reaction, decomposition of sodium thiosulphate, introduction, method, safety, results, discussion sodium thiosulphate decomposition for gcse, grade a easy. Category: gcse chemistry coursework investigation title: rates of reaction. An experiment suitable for gcse science investigating the effect of concentration and temperature on the rate of reaction.
Anjelina qureshi mrs gravell rates of reaction coursework chemistry year 11 rates of reaction introduction a chemical reaction occurs when things change from reactants into products these reactions only happen if the reacting molecules collide properly the rate of reaction is the speed of a reaction when the solution. Go to page gcse chemistry coursework rate of - in this section of gcse bitesize you'll find rates of reaction :: gcse chemistry coursework investigation rates of reaction coursework introduction gcse chemistry coursework investigation.
Miss nichol shows you how to do the catalase rates of reaction coursework. 2 contents page: introduction to rates of reactions 3-5 preliminary test introduction 6 preliminary test 1 6-12 preliminary test 2 13-14 main experiment 15-17 main experiment results 17-19 main experiment conclusion 19-21 main experiment evaluation 21-22 bibliography 23. Using drdaq to investigate the effect of temperature changes during a rate of reaction assessed practical a noticeable effect on the overall temperature of the reaction and hence effects the fair testing of the reaction this approach can be used to gain high marks in the evaluation section of gcse science coursework.
To investigate how the rate of reaction between sodium thiosulphate and hydrochloric acid is affected by changing the concentration chemistry essay. Extracts from this document introduction chemistry plan i am going to produce a piece of coursework investigating the rate of reaction, selecting a variable to see how this affects the rate the rate of reaction is the rate of loss of a reactant or the rate of formation of a product the rate is measured by dividing one by the time.