07b_Enthalpy_PostLab_F20 2.pdf - Enthalpy and Specific Heat...

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Enthalpy and Specific Heat Najhe Walker 10/07/2020 TOTAL: 20 points
Najhe Walker Enthalpy and Specific Heat Page 2 of 8 CHM 113 POST-LAB Enthalpy and Specific Heat 1. Insert ONE picture of yourself in full PPE here ( include the thermometer ). **Remember to (1) show your full body so that we see you are wearing shoes; (2) wear your safety glasses, lab coat, and gloves; (3) cover your lower legs (socks are required, even in Arizona); (4) tie back long hair in a ponytail or a bun; (5) remove jewelry. Insert Picture Here
Najhe Walker Enthalpy and Specific Heat Page 3 of 8 2. Complete Table 1 with your experimental data for the masses of the water and the unknown metal strip in Part 1 . Table 1: Mass Data Mass (g) Trial 1 Trial 2 Trial 3 Water 49.0 48.8 49.3 Metal Strip 11.6 11.8 11.8 3. Complete Table 2 with your experimental data for the temperature readings of the water in your calorimeter in Part 1 , and calculate the temperature change (ΔT) for each trial. Show your work below the table and include units. ∆࠵? = ࠵? ࠵?࠵?࠵?࠵?࠵? − ࠵? ࠵?࠵?࠵?࠵?࠵?࠵?࠵? Table 2: Specific Heat Data Time (minutes) Temperature (°C) Trial 1 Trial 2 Trial 3 Initial 23.3 23.3 23.3 1 minute 24.0 24.7 25.0 2 minutes 24.0 24.5 24.3 3 minutes 24.1 24.3 24.3 4 minutes 24.1 24.4 24.3 5 minutes 24.2 24.4 24.4 Δ T Calculations of ΔT water Trial 1: Trial 2: Trial 3: 0.9 I . I 1. I ate 24.2 - 23.3=0.9 At 24.4-23.3=1.1 At 24.4 - 23.3 = I . I
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