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xperiment 10

xperiment 10 - If it was done correctly it can be affected...

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Robert Nelson Group: Michael Schultz General Physics I Lab PHY2048L Experiment 10 11/3/11
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Introduction: A calorie is the amount of heat needed to raise a gram of water by 1 degree. It is dependent on the mass of the object. Water has the specific heat of 1 cal/g degrees Celsius using the formula: amount of heat over the mass times 1 degree Celsius and the change in heat is calculated by the specific heat capacity times mass times the change in temperature. When the object is put into the water the heat lost by the object is in the water, because of the conservation of energy. Questions: 1) The measured specific heat was not constantly higher or lower than the accepted values, though in the experiment we may have gotten a wrong value for room temperature water.
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Unformatted text preview: If it was done correctly, it can be affected by of other environmental factors. 2) We could have improved the results if we measured the room temperature more than once as well as finding the average temperature after the objects were put in the water. Conclusion: The results seemed to have been closer to the accepted heat capacity if the room temperature was higher, where we may have not waited long enough for the thermometer to show the waters more accurate temperature. However, this experiment does show firsthand how heat is transferred from the object into the water by the conservation of energy....
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