For Lab 4 Energy of food content Experiment, use the following data. The specific heat (Water) is 1.00 cal/g°C. Make sure to fill up all of the Table 1, 2, 3, 4 such as your post-lab report.  a) What is Average energy content of sample (Cal/g)? b) What is Theoretical energy content of sample (Cal/g)? c) What is the Percent Error (%) of Experimental energy content of sample?

Chemistry for Engineering Students
3rd Edition
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.79PAE: A student performing a calorimetry experiment combined 100.0 ml. of 0.50 M HCI and 100.0 ml. of 0.50...
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For Lab 4 Energy of food content Experiment, use the following data. The specific heat (Water) is 1.00 cal/g°C. Make sure to fill up all of the Table 1, 2, 3, 4 such as your post-lab report. 

a) What is Average energy content of sample (Cal/g)?

b) What is Theoretical energy content of sample (Cal/g)?

c) What is the Percent Error (%) of Experimental energy content of sample?

 

Table 2. Calorimetry data and observations.
Trial #1 Trial #2 Trial #3
Initial mass of sample unit (watch glass, paperclip, and sample) (g)
Volume of water (mL)
Initial temperature of water (*C)
Final temperature of water (°C)
Final mass of sample unit (watch glass, paperclip, and sample) (g)
0.69
5.32
4.15
89.3
47.55
75.0
25.1
21.7
27.0
37.0
30.6
29.0
0.14
5.13
3.35
1) for Discarding Outlying Results: If the deviation of the outlying value is greater than four
times the average deviation, the sample potentially can be discarded.
Table 4. Calorimetry results.
Calories of sample per 1 oz on Nutrition Facts label
130 Cal
Mass of sample per 1 oz on Nutrition Facts label
28 g
Theoretical energy content of sample (Cal/g)
Cal/g
Transcribed Image Text:Table 2. Calorimetry data and observations. Trial #1 Trial #2 Trial #3 Initial mass of sample unit (watch glass, paperclip, and sample) (g) Volume of water (mL) Initial temperature of water (*C) Final temperature of water (°C) Final mass of sample unit (watch glass, paperclip, and sample) (g) 0.69 5.32 4.15 89.3 47.55 75.0 25.1 21.7 27.0 37.0 30.6 29.0 0.14 5.13 3.35 1) for Discarding Outlying Results: If the deviation of the outlying value is greater than four times the average deviation, the sample potentially can be discarded. Table 4. Calorimetry results. Calories of sample per 1 oz on Nutrition Facts label 130 Cal Mass of sample per 1 oz on Nutrition Facts label 28 g Theoretical energy content of sample (Cal/g) Cal/g
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