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Student Name
Mohammed Alnaimi
Student ID 48408 Lesson Laboratory Techniques and Measurements Institution Ocean County College Session 2019L2 CHEM 181 DL1 Course CHEM 181 DL1 Instructor Lea Stage
Final Report
Exercise 1
CHEM 181 DL1 Laboratory Techniques and Measurements
The reason could be atmospheric pressure changes with the higher sea levels, decreasing the degree at which it takes water to boil.
1. Water boils at 100°C at sea level. If the water in this experiment did not boil at 100°C, what could be the reason?
100(102-100)/100=2% error
100(99.2-100)/100=-0.8% error
2. While heating two dif f erent samples of water at sea level, one boils at 102°C and one boils at 99.2°C. Calculate the percent error f or each sample f rom the theoretical 100.0°C.
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Data Table 1: Length Measurements
Data Table 2: Temperature Measurements
Length (cm)
CD or DVD
Key
Spoon
Fork
Length (mm)
CD or DVD
Key
Spoon
Fork
Length (m)
CD or DVD
Key
Spoon
Fork
12
5.5
18
18
120
55
180
180
0.12
0.055
0.18
0.18
Temperature (°C)
Hot from Tap
Boiling
35
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Boiling for 5 minutes
Cold from Tap
Ice Water - 1 minute
Ice Water - 5 minutes
Temperature (°F)
Hot from Tap
Boiling
Boiling for 5 minutes
Cold from Tap
Ice Water - 1 minute
Ice Water - 5 minutes
Temperature (K)
Hot from Tap
Boiling
Boiling for 5 minutes
Cold from Tap
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