2. The following data were obtained in an experiment to determine the freezing point of cyclohexane (C6H12). Time (s) 0 15 30 45 60 75 90 T (°C) 12.5 11.1 9.5 8.2 7.2 6.5 6.0 Time (s) 105 120 135 150 165 180 195 T (°C) 5.8 5.5 5.7 5.9 5.9 5.9 5.9 a. From the data above, over what range of time was the cyclohexane supercooled? b. What is the freezing point of cyclohexane?
2. The following data were obtained in an experiment to determine the freezing point of cyclohexane (C6H12). Time (s) 0 15 30 45 60 75 90 T (°C) 12.5 11.1 9.5 8.2 7.2 6.5 6.0 Time (s) 105 120 135 150 165 180 195 T (°C) 5.8 5.5 5.7 5.9 5.9 5.9 5.9 a. From the data above, over what range of time was the cyclohexane supercooled? b. What is the freezing point of cyclohexane?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Can you please do question number 2
![th proper tempo)
Experiment 8 - Prelab Assignment
1. Benzene has a freezing point of 6.00 °C, a density of 0.8787 g/mL and a molal freezing point
depression constant (Kr) of 5.12 °C kg/mol. When 0.515 g of an unknown solute was dissolved in
12.3 mL of benzene, the solution that formed was found to have a freezing point of 4.10 °C. What is the
molecular mass of the unknown solute?
Time (s)
0
15
30
45
60
75
90
T (°C)
12.5
11.1
9.5
8.2
7.2
6.5
6.0
Time (s)
105
120
135
150
165
180
195
2. The following data were obtained in an experiment to determine the freezing point of cyclohexane
(C6H12).
T (°C)
5.8
5.5
5.7
3002770095-8 Iomitanza
(TA) doissoqob saior isson
aroituloe ni otuloe awardinu sdt lo noitestmoonoo lalo
in Silto zeem asloM
65599
Name
5.9
noitufos all of bobbe stulos nwone to 228M
8-12
a. From the data above, over what range of time was the cyclohexane supercooled?
b. What is the freezing point of cyclohexane?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7634a6a-5ecc-40e2-9892-46ba7a4cefd4%2F0c2374a4-3a75-434b-a8ae-def40380ad87%2Fquio0vn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:th proper tempo)
Experiment 8 - Prelab Assignment
1. Benzene has a freezing point of 6.00 °C, a density of 0.8787 g/mL and a molal freezing point
depression constant (Kr) of 5.12 °C kg/mol. When 0.515 g of an unknown solute was dissolved in
12.3 mL of benzene, the solution that formed was found to have a freezing point of 4.10 °C. What is the
molecular mass of the unknown solute?
Time (s)
0
15
30
45
60
75
90
T (°C)
12.5
11.1
9.5
8.2
7.2
6.5
6.0
Time (s)
105
120
135
150
165
180
195
2. The following data were obtained in an experiment to determine the freezing point of cyclohexane
(C6H12).
T (°C)
5.8
5.5
5.7
3002770095-8 Iomitanza
(TA) doissoqob saior isson
aroituloe ni otuloe awardinu sdt lo noitestmoonoo lalo
in Silto zeem asloM
65599
Name
5.9
noitufos all of bobbe stulos nwone to 228M
8-12
a. From the data above, over what range of time was the cyclohexane supercooled?
b. What is the freezing point of cyclohexane?
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