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# Does temperature effect the rate of reaction.

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Introduction

Does temperature effect the rate of reaction. Introduction. I want to find out whether or not temperature speeds up or slows down the rate of reaction. The term "rate of reaction" means the time it takes for reactants to turn into products. Collision theory states the more collisions the faster the rate of reaction will be. If the temperature of a reaction is increased the particles get more energy, they move faster and due to this you get more collisions, and more collisions there are the faster the rate of reaction will be. Increasing the surface area of a reactant makes more exposed area and a higher chance of collisions and this will speed up the rate of reaction. ...read more.

Middle

Prediction. I predict that the rate of reaction will increase as the temperature increases. The scientific reasons behind my prediction are the hotter the temperature the more energy particles will be given which makes the reactants move faster also due to this their will be more collisions. I got this information from collision theory. Method. 1. I need to get the equipment and then set it up. 2. Gather the reactants and then measure them out. 3. Collect the sodium thiosulphate and water then place it onto a Bunsen burner flame then heat it to the right temperature in a conical. 4. Put the conical flask on a piece of paper it with a marked cross on it. ...read more.

Conclusion

All of my results followed a pattern because I done the experiment accurately. My results followed this pattern because there was more temperature, more energy so they moved faster which means more collisions and more products. Where made in a shorter space of time. Using my results I can now believe that my prediction was correct. Evaluation. I think my investigation was a success because I got accurately results and they followed a pattern. If I were to do the investigation again I would heat the acid as well as the sodium thiosulphate and water so that the temperature did not fall when cold acid was added. I would also use a pipette for measurement. I could expand my investigation to look at what happens if I lower temperature instead of heating it up. Craig McVeigh Science coursework ...read more.

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1. ## Coursework: Effect of Temperature on the Rate of Reaction between

I will also be analysing: * The limits of the ranges of temperature used (Lowest and highest time) * An appropriate volume for the reactants (What volume of chemicals to take) * The concentration of Thiosulphate needs to be taken (The amount of concentration)

2. ## The effect of temperature on the rate of reaction

Safety: I will be making the following measures for the following reasons to ensure that safety is at its highest possible level: * Wearing goggles: If the acid sprays up into your eyes it can be very dangerous, therefore eye protection is essential * Not directly heating the acid: using

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