First Determination of AH Second Determination of AH Temperature inside calorime

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First Determination of AH Second Determination of AH Temperature inside calorimeter at 15 s Temperature inside calorimeter at 15 s intervals eC intervals: 37. eC °C oc 37.5C 37.S C 8.0 C 38.0 _a7.s cl 37.5 °C 37.537.S C 380 oc heat cat J heat kJ/mol kJ/mol Average AH %error-ICAHJ-55. 8ys5 81x100- Post-Lab Discussion 1. Suppose that one were to mix 30.0 g of aluminum pellets, originally at 97.0 C, with 100 grams of water, originally at 23.0 C, in a perfect calorimeter. What will be the equilibrium temperature Tin the calorimeter? T 2. Repeat the calculation of Exercise 1, but in the calorimeter you used in lab rather than in a perfect calorimeter. Tr= C. 3. When 100 g of an unknown metal at 98.0 C were mixed in a perfect calorimeter with 50.0 g of water at 22.0 C, the final temperature Tr was observed to be 26.4 C Presuming that the metal is one of those listed in the table of specific heats given above, which one is it? Unknown metal Substance Specifie Heat, J/(g'C) Heat, Jg'C water (liquid) aluminum (solid) chromium (solid) copper (solid) iron (solid) lead (solid) nickel (solid) tin (solid) 4.184 0.901 0.448 0.386 0.450 0.129 0.443 0.217 zine (solid)

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First Determination of AH Second Determination of AH Temperature inside calorime

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