07b_Enthalpy_PostLab_F20.docx - Enthalpy and Specific Heat...

Enthalpy and Specific Heat
Name
Date of Work
TOTAL: 20 points

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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

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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
Metal Strip
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.
∆T = T
final
− T
initial
Table 2: Specific Heat Data
Time (minutes)
Temperature (°C)
Trial 1 Trial 2 Trial 3
Initial
1 minute
2 minutes
3 minutes
4 minutes
5 minutes
ΔT
Calculations of ΔT
water
Trial 1:
Trial 2:
Trial 3:

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