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Investigate how the rate of reaction changes with the surface area.
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| Submitted: Tue Mar 02 2004
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To investigate how the rate of reaction changes with the surface area Aim: To find out how the rate of chemical reaction of marble chippings mixed with hydrochloric acid changes with the surface area Equipment: Gas Syringe Clamp & Stand Beaker Hydrochloric Acid Conical Flask Stop Watch Marble Chips Rubber Bung Delivery Tube Weighing Scales Plan: Method: Set up the equipment as shown in the diagram. 1) Measure and then pour 50cm? of hydrochloric acid into the conical flask 2) Put the gas syringe in the clamp 3) Connect the side of the delivery tube without a rubber bung to the gas syringe 4) Weigh the marble using some scales and then put it into the conical flask (make sure you write down the weight) 5) Quickly put the rubber bung side of the delivery tube on the conical flask 6) Start your stopwatch 7) Write down your results for every 10seconds until the gas syringe reaches 100cm? 8) Put your results in a table 9) Do the same for marble chippings (make sure it...
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