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To observe temperature change in Ethanol and Methanol

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PLANNING Nasra Salah 10C Aim: To observe temperature change in Ethanol and Methanol. Introduction (scientific knowledge): ETHANOL Ethanol is an alcohol-based alternative fuel produced by fermenting and distilling starch crops that have been converted into simple sugars. Ethanol ("Alcohol") C2H5OH METHANOL Methanol (CH3OH) is an alcohol fuel. Today a process using natural gas as a feedstock produces most of the world's methanol. (CH3OH) also known as methyl alcohol or wood alcohol, it's a chemical compound with chemical formula (CH3OH). It is the simplest alcohol, and is a light, volatile, colourless, flammable, poisonous liquid that is used as an antifreeze, solvent, and fuel and as a denaturant for ethyl alcohol and it burns in air forming carbon dioxide and water. Nasra Salah 10C Prediction: I predict that Ethanol will be in a higher temperature than Methanol in the time given to investigate the two fuels. ...read more.


Equipment: Heat- prove mat, beehive stand, stripod, beaker, goggles, ethanol, methanol, timer, guaze. Method: 1.Measure out 50ml of water in a beaker. 2.Place on tripod stand over the fuel M/Ethanol. 3.Light the fuel and record the temperature rise for every minute for 10 minutes and record results on a table. 4.Repeat the above twice more. 5.Repeat the above for the fuel Ethanol. Observing Collecting the data: I collected the data by applying to the method with both Ethanol and Methanol. Then I added up all the 3 results and divided it by 3 because there were 3 results. The answers to the division sums are then the average temperature for each minute of the investigation. Nasra Salah 10C Safety: I have had to wear goggles at all times, keep my bag and other equipments out of the way so that it doesn't catch the flame of the M/ethanol. ...read more.


Improvements: Next time, I will try and stick to the safety rules and start my investigation earlier so that I won't run out of time. Nasra Salah 10C Room temperature is 22�C Time 1 2 3 Average (min) Temperature 1 34�C 33�C 33�C 33�C 2 43�C 44�C 42�C 43�C 3 46�C 55�C 50�C 50�C 4 56�C 64�C 59�C 60�C 5 63�C 72�C 67�C 67�C 6 70�C 79�C 73�C 74�C 7 76�C 83�C 77�C 79�C 8 79�C 85�C 79�C 81�C 9 82�C 87�C 82�C 84�C 10 84�C 87�C 85�C 85�C Time 1 2 3 Average (min) Temperature 1 33�C 38�C 31�C 34�C 2 41�C 51�C 37�C 43�C 3 53�C 61�C 39�C 51�C 4 61�C 70�C 42�C 58�C 5 68�C 76�C 50�C 65�C 6 73�C 81�C 57�C 70�C 7 77�C 84�C 61�C 74�C 8 79�C 85�C 65�C 76�C 9 82�C 86�C 72�C 80�C 10 85�C 86�C 77�C 83�C Nasra Salah 10C 100 90 80 70 60 50 40 30 20 10 1 2 3 4 5 6 7 8 9 10 11 ...read more.

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