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Rate of reaction Introduction: The rate of reaction tells us how quickly a chemical reaction happens. During a reaction, we can measure how much reactant is used up in a certain time or you can choose to measure how much product is formed in a certain time. There are different variables that could b used to measure to see the change in the rate of reaction. These include temperature, concentration or catalysts. There are four factors which affect the rate of reaction, these are: 1. Concentration of liquids 2. Catalyst 3. Surface area 4. Temperature The factor that I will base my experiment around is the temperature of the water and Sodium Thiosulphate. I will use this because: A catalyst is not required as the reaction is fast enough at room temperature Surface area is not a suitable factor to use in an experiment where only liquids are used. Concentration could be used, but I am examining temperature so I...

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