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Chemistry Coursework - Laura Smythe Plan Preliminary Work For My preliminary experiment, I set up a tin can held up by a clamp and clamp stand. The bottom of the beaker was measured 10cm above the base of the clamp stand using a ruler.100cm3 of water was measured out into a 100cm3-measuring cylinder and emptied it into the tin can. A thermometer was placed into the beaker of water. An ethanol burner (including its lid) was weighed and the weight was recorded. The burner was then placed under the metal beaker on a heatproof mat. The ethanol burner was then lit, and the water was stirred constantly using the thermometer, whilst taking the temperature of the water. This was timed for two minutes, and then the temperature was taken again. After two minutes were up, the burner was blown out and the lid was put back on. Then the ethanol burner was weighed...

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