Investigation 1

# Investigation 1 - Introduction The aim of this report is to...

• Lab Report
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Introduction The aim of this report is to calculate the specific heat of water by using a kettle and timing how long does it takes to boil a kettle. There will be five analysis where the basis of the analysis is on the mass of water and each analysis will be repeated for three times and time. As well as implementing a straight line graph showing the time taken for different volume of water to achieve more accurate result. During the experiment, I, Owen Widjaja will follow the risk of controls recommended in the risk assessment for safety. Analysis Below is a picture showing the equipment used for the experiment: In this experiment, the power of the electric kettle is 1850W-2200W, therefore the power is assumed to be 2025W. Furthermore, thermometer was not used in this experiment, hence the temperature is assumed 25.0 o C The analysis results: Volume (L) = Mass (kg) Time 1 (s) Time 2 (s) Time 3 (s) Average time (s) 0.5 77 77 75 76 0.75 114 113 108 112 1 148 150 152 150 1.25 184 190 179 184 1.5 222 216 223 220 ܣݒ݁ݎܽ݃݁ ݐ݅݉݁ = Time 1 + Time 2 + Time 3 3

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