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An investigation into the heat output of some alcohol
Member rating: No Rating | Words: | Submitted: Fri Mar 04 2005
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An investigation into the heat output of some alcohol Problem To design a fair experiment to find out which of the three alcohol gives the most heat output. We have methanol, Ethanol and propane. Hypothesis I think Propanol would give the most heat output, because it has more carbon and hydrogen than other two alcohols. Apparatus * Small beaker containing 20 cm3 * Weight scale, to weight each alcohol * Thermometer, to measure the temperature of water every 30 seconds * Stand, to hold the beaker above the alcohol * Use the timer to measure the time taken for each alcohol to boil Safety * Wear goggles at all time during experiment * If there were any spillage, wipe it off with a paper towel. * At end of each experiment, pour the mixture away in the fume cupboard sink. Accuracy * Use a Wind shield to prevent draught in the lab from affecting the results. * Use a measure cylinder to measure exactly...
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