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Investigating how the temperature affects the rate of reaction between Magnesium and Hydrochloric acid.

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Introduction

Chemistry Coursework Investigating how the temperature affects the rate of reaction between Magnesium and Hydrochloric acid By Owen Jenkins In this investigation I am trying to find out what effect the temperature will have on the rate of reaction on a piece of magnesium ribbon. I will do this by using two different variables which I will keep the same; - Hydrochloric acid - Magnesium ribbon There is another input variable which I am going to change which is Water. When I change the input variable I think that every 10 degrees the temperature increases, the time it will take for the magnesium to react, will almost half its original time. ...read more.

Middle

As the temperature gets higher the time for the magnesium to react gets lower. For some temperatures there wasn't a massive gap between the previous temperature but on some there was. My results resembled my prediction. The higher the temperature was the less time it took for the magnesium to react. I think I repeated my investigation enough times to get a sufficient average. I carried them out 3 times for each temperature. I increased the temperature by 10 degrees after each turn. I think that my result show a slight trend. ...read more.

Conclusion

Once my apparatus were all set up we started our task. Firstly we put Hydrochloric acid into a boiling tube and we went to heat it up in a water bath. We heated it up until the temperature of the Hydrochloric acid got to the temperature we wanted it to be. We then got a piece of magnesium ribbon and placed it into the acid and timed how long it took for it to react. Once it stopped reacting we recorded that time and did it another three times for it to be a fair test and to work out an average. We increased the temperature every 10 degrees. After we completed our results we and to put them into a table and graphed them. ...read more.

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