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Stuart Patterson  

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Stuart Patterson. Chemistry Coursework. Mr. Mitchell Page 1 Investigation to show the rate of reaction between Sodium Thiosulphate and Hydrochloric Acid. In this experiment, I will be investigating, the rate in which Sodium Thiosulphate reacts with Hydrochloric Acid when added together at different concentrations. In order for the Sodium Thiosulphate to react with the Hydrochloric Acid, * Collide with each other * The collision must have enough energy to react. For particles to react, they need to have more energy than the activation energy barrier (Ea). The rate of reaction is determined by the amount of particles above the Ea barrier, therefore the more that have enough energy to react, the quicker the reaction. In my investigation, I could increase the temperature of the solutions. This would increase the speed of the particles and the amount of energy they have, so there would be more collisions and more would have an increased energy than the...

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