The factors that affect the rate of reaction Essay

Published: 2020-02-16 07:41:43
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My aim is to investigate the factors that affect the rate of reaction. I will be seeing how the concentration of the hydrochloric acid affects the rate of reaction with magnesium ribbon. Diagram Risk Assessment  Be careful whilst using the acids  Make sure all glassware is safely on the table to prevent it from falling off * Be careful whilst using the scissors Method 1. Place the gas syringe into the clamp as shown in the diagram, making sure it is safely secure but not too tight as it can damage the equipment.

Check the syringe for any leaks by pulling it and seeing if it goes back to 0. Make sure that is at 0 to begin with. 2. Measure out 50mls of hydrochloric acid in a conical flask. 3. Add 2cm of magnesium ribbon to the solution, place the bun on the top and start the timer. 4. Read how much CO? has been given off in the gas syringe at 20 seconds and 40 seconds 5. Now repeat it with 25cm3 of HCl and 25cm3 of H? 0 and finally with 30cm of HCl and 20cm of H? 0 Results Amount of HCl Amount of H? 0 CO? After 20secs (cm3) C0 ?

After 40secs (cm3) 50ml 0ml 15 16.30ml 20ml 4 6 25ml 25ml 3 5 Conclusion The more concentrated the solution is, the more C0? is given off after a shorter time span. This means that the concentration of a solution affects the rate of reaction. However, to make sure that this presumption is correct I will do a further experiment, using a more varied range and repeats. Show preview only The above preview is unformatted text This student written piece of work is one of many that can be found in our GCSE Patterns of Behaviour section.

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