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Experiment to Investigate Cooling Water
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| Submitted: Thu Jul 11 2002
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Kamran Hussain Experiment to Investigate Cooling Water Aim To investigate whether a smaller or larger mass of water will cool quicker. Apparatus * 1 calorimeter (approx volume 250 ml) * Water (1.5 l) * Thermometer (measures to 0 -100 °C) * Stop watch (measures to 0.01 sec) * Balance (measures to 0.01g) * Kettle (to heat water) * Bench mat Safety- As I am dealing with hot liquids I will be generally careful with it. Also I will wear eye protection to prevent damage to my eyes. Method (a) First of all I will heat 1.5 l of water in a kettle until it boils. (b) Then using a balance I will carefully put in 50g of boiled water into the calorimeter, and then place it on a bench mat. I will then place a foil lid on the calorimeter. (c) I will wait until the temperature of the water in the calorimeter reaches 75 °C using a thermometer. (d) Then I will...
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