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Rates of Reaction What Affects the Rate of Reaction between Sodium Thiosulphate and Hydrochloric Acid? Task: I am going to investigate affect of temperature on the reaction rate of sodium thiosulphate and hydrochloric acid. Background Knowledge: The rate of reaction is the time it takes for something to react. The formula for the rate of reaction is 1000 / time. Every material is made up from particles, they may be as small as atoms or may be a collection of atoms bonded together to make a molecule. The kinetic theory says that for every chemical reaction to happen, the two particles, which are reacting, have to hit each other. It may seem as though it is obvious that the particles are going to collide, but sometimes there are pretty, large spaces between them so it does not happen as much as you think. There are four main variables that could affect the rate at which...

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