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Chemistry rates of reaction with concentration
Member rating: No Rating | Words: | Submitted: Mon Dec 11 2006
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How does changing the concentration affect the rate of reaction of sodium thiosulphate and acid? Plan I am going to investigate whether the concentration has an effect on the rate of reaction of sodium thiosulphate and hydrochloric acid. There are two important parts of the theory of rate of reaction. Firstly, the reacting particles must collide with each other. There must be sufficient energy in the collision to overcome the activation energy. The rate of a reaction is determined by the factors shown below: 1. Concentration of a solution 2. Temperature 3. Surface area of a solid 4. Pressure of a gas 5. Catalyst A typical graph for the rate of reaction would look like this: For this experiment, the input variable (the factors I am going to change) is going to be the concentration of the solution. The output variables are the temperature, surface area of the solid, pressure of the gas and the catalyst....
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