Saturday, November 30, 2013

Investigation of the effect of the mass of Zinc, on the temperature change of a Copper Sulphate solution

Note: I couldnt paste in pictures and diagrams so enthral anyay any large spaces. Planing my investigation Method 1.Firstly I fare out amount of money 20ml of horseshit sulphate solution (CuSO4) in a measuring cylinder, for on the button accuracy, and then(prenominal) burgeon forth the solution into study tube. I volition place the quiz tube into a beaker and insulate the test tube, for minimum enkindle loss. (As shown in the diagram above.) 2.Secondly I ordain assess the ask amount of zinc (Zn) on a weighing shield, once more for precise accuracy. I will then respect the commencement temperature using a thermometer. Next I will pelt the Zinc into the test tube containing CuSO4. 3.Finally I will measure the final temperature using a thermometer and point the temperature rise in °c. (I will carry out all my experiments under laboratory safety precautions.) Variables *I will set out the potentiometer of Zinc, & use th e following Zinc weights: 0.5g, 1g, 1.5g, 2g and 2.5g. *I will repeat each experiment twice for an average. For a decent test I will need to reign umteen variables. I will stir the reaction an dead on target number of times. I will record the temperature with a thermometer wait until the temperature begins to drop so the temperature has unspoiledy risen.
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I will measure the volume of the CuSO4 solution accurately with a measuring cylinder, and do sure the concentration of CuSO4 is constant throughout all the investigation. I will weigh the Zinc with a weighing surmount and make sure its free of any impurities. Prediction and experience shag Plan ! I predict increasing the plenitude of Zinc will improver the temperature rise of the Copper sulfate solution. When Zinc reacts with copper sulphate, the Zinc atoms displace the Copper atoms from Sulphate to form Zinc sulphate and Copper. This is simply because Zinc is more... If you motive to get a full essay, order it on our website: BestEssayCheap.com

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