PPA - The Effect of Temperature Changes on Reaction Rate

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Anonymous
ID:
125644
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PPA - The Effect of Temperature Changes on Reaction Rate
Updated:
2012-01-02 11:52:25
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PPA Effect Temperature Changes Reaction Rate Chemistry
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Higher Chemistry - PPA - The Effect of Temperature Changes on Reaction Rate
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  1. The aim of this experiment was to find out if temperature had an affect on the rate of the reaction between oxalic acid and acidified potassium permanganate solution. State two factors that had to be kept constant in the experiments
    • The volume of all the reactants
    • The concentration of all the reactants
  2. How was the rate of reaction determined?
    By measuring the time taken for the solution to turn from purple to colourless
  3. Why did the beaker used in each experiment have to be dry?
    So it would not change the concentration of all the other reactants
  4. Suggest why it might be difficult to get an accurate reaction time if the experiment was carried out at room temperature
    As it would be difficult to measure the time taken for the solution to change colour because it is a gradual colour change

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