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Rates of reaction  

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2HCL + NA²S²O³ --> + 2NaCL Hydrochloric acid + Sodium thiosulphate --> Sulphur + Sodium chloride + S0² + H²0 + Sulphur dioxide + Water Collision Theory For this experiment we can use the collision theory. Collision theory explains how chemical reactions occur and why rates of reaction differ. When particles collide, they may react. A reaction occurs when particle is facing in the correct direction and the collision has enough energy. If more collisions occur, then the chance of a successful collision is higher. Aim To investigate the rate of reaction between hydrochloric acid and sodium thiosulphate using variables. Equipment Sodium Thiosulphates Hydrochloric Acid Title marked with a cross - Then we will know when the reaction has taken place. Measuring cylinder - Measure how much of solution you use each time, so it's a fair test. Beaker - Where the reaction will take place Bunsen burner - How the temperature can increase. Tripod - To place the beaker onto. Stopwatch - Measuring...

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