Lab Report for T1

# Lab Report for T1 - Lab Report for T1 Specific Heat of...

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Lab Report for T1: Specific Heat of Metals by the Method of Mixtures Liz Hauke Partner: Mike Falconio TA: Adam Stabile VI-1) We were asked to measure the resistance, in mega-ohms, of a calorimeter cup with 100 cm 3 of water over a ten minute period. Immediately after, we were to transfer a sample of metal, cooled to 0°C, into the calorimeter cup and continue measuring the resistance. Using our results, we should be able to calculate the specific heat of the metals. Graph produced using copper sample: Resistance vs. Time (Copper) 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 30 90 150 210 270 330 390 450 510 570 630 690 750 810 870 930 990 1050 1110 1170 t (s) R (MOhms) If we use the c M = [(T i -T f ) / T f ] [(M w + 0.22M c )/M M ], where T i = 35.39°C (308.39K), T f = 13.93°C (286.93K), M w =130g, M c =46.2g, and M M =1202.2g, we can calculate the specific heat of copper to be 0.2419 J/(gK)

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Graph produced by the aluminum sample: Resistance vs. Time (Aluminum) 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 30 90 150 210 270 330 390 450 510 570 630 690 750 810 870 930 990 1050 1110 1170 t (s) R (MOhms) Using the equation c M = [(T i -T f ) / T f ] [(M w + 0.22M c )/M M ], where T i = 33.92°C (306.92K), T f = 14.95°C (287.95K), M w
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