Physics T1 - (See attached data sheet for masses and data R...

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John Salek-Raham D. Sarkar Physics 151 Experiment T1 V1 : Using a calorimeter and a thermistor, measurements of water were taken every 30 seconds for 10 minutes. Then, a cool pure copper sample was added to the calorimeter, and thermistor recordings were measured every 30 seconds for 15 minutes. (See attached Data sheet for data and masses) R versus Time 0 0.05 0.1 0.15 0.2 0.25 0 500 1000 1500 time (s) R R vs T Using this plot and the data taken: Ti was found to be Tf was found to be
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Using the principle of conservation of energy and the relationships given in the PHY 151 lab manual: c M = (Ti-Tf ) (Mw + 0.22Mc ) (Tf) (Mm) c M = V2 : The procedure for V1 was repeated, only using a pure aluminum sample.
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Unformatted text preview: (See attached data sheet for masses and data) R versus Time 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 500 1000 1500 2000 Time (s) R R vs t Using this graph and the data collected: Ti was found to be: Tf was found to be: Using the relationship: c M = (Ti-Tf ) (Mw + 0.22Mc ) (Tf) (Mm) c M = Answers to Questions (VII): 1. The fact that the calorimeter, though not perfectly adiabetic. There is always some energy loss due to the calorimeter, though it is small compared to a normal container. This could explain the discrepancy between the results obtained and the accepted value. 2....
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