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Rates of Reaction: The effect of concentration on the rate of reaction
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Rates of Reaction: The effect of concentration on the rate of reaction Prediction I will be investigating the effect different concentrations of sodium thiosulphate has on the rate of the reaction when combined with hydrochloric acid. The given reaction for this experiment is: Sodium Thiosulphate + Hydrochloric Acid => Sulphur + Water I presume that when the concentration of the sodium thiosulphate is increased, the rate of reaction will be higher. This is because if there are more molecules, they are more likely to collide and react within a given volume. However, the collision theory says that only a very small percentage of these collisions results in a reaction. This is because of an energy barrier - only those particles with enough energy to overcome the barrier will react when they collide. Thus, if the frequency of collisions is increased, the rate of reaction will increase. However, the percentage of successful collisions remains the...
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