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An investigation testing how temperature affects the rate of reaction between Hydrochloric acid and sodium thiosulphate.
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An investigation testing how temperature affects the rate of reaction between Hydrochloric acid and sodium thiosulphate. Aim: My aim in this experiment is to investigate how the rate of reaction between Sodium Thiosuphate and Hydrochloric acid is affected by temperature. Prediction: I predict that as the temperature is increased the rate of reaction will increase. This can be justified by relating to the collision theory. When the temperature is increased the particles will have more energy and thus move faster. Therefore they will collide more often and with more energy. Particles with more energy are more likely to overcome the activation energy barrier to reaction and thus react successfully. If solutions of reacting particles are made more concentrated there are more particles per unit volume. Collisions between reacting particles are therefore more likely to occur. All this can be understood better with full understanding of the collision theory itself: Apparatus: * 1 thermometer * 1...
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