Room Temperature: 23.8 °C Pressure: 764 mmHg Time (s) Compounds Mean time (s) Trial 1 Trial 3 Trial 2 Water 25.6 30.3 27.5 27.8 Benzene 21.2 19.98 20.5 (1) Chloroform 9.78 12.3 10.2 (2) Methanol 22.1 19.76 20 (3)

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter22: Surfaces
Section: Chapter Questions
Problem 22.49E
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100%
Viscosity of Liquids
 
Complete the following tables with the correct data needed for each number. Show all pertinent computations. Express your answers in 4 decimal places. Please keep your units consistent while calculating for the answers. Enclose in a box/highlight your final answers. thank you 
 
kindly answer 1,2, and 3 only 
DETERMINATION OF ABSOLUTE VISCOSITY USING OSTWALD VISCOMETER: A
group of students enrolled in a Physical Chemistry Laboratory class performed
an experiment on the determination of absolute viscosity using Ostwald
viscometer. The data gathered by the group are documented in the table below.
Solve for the unknown data #'s 1-9, and the 2 other questions.
Room Temperature: 23.8 °C
Pressure: 764 mmHg
Time (s)
Compounds
Mean time (s)
Trial 1
Trial 2
Trial 3
Water
25.6
30.3
27.5
27.8
Benzene
21.2
19.98
20.5
(1)
Chloroform
9.78
12.3
10.2
(2)
Methanol
22.1
19.76
20
(3)
Density (g/mL)
Mean density
(g/mL)
Compounds
Trial 1
Trial 2
Trial 3
Benzene
0.869
0.878
0.881
(4)
Chloroform
Methanol
1.491
1.484
1.495
(5)
0.800
0.779
0.797
(6)
Compounds
Mean 7 (cP)
Benzene
(7)
|Chloroform
(8)
Methanol
(9)
Table 2-30 Density (kg/m3) of Saturated Liquid Water from the Triple Point to the Critical Point
T,K
P, kg/m³
TABLE 2-305 Thermodynamic Properties of Water
Temperature
K
Pressure
MPa
Density
moldm
Volume
dm'/mol
Therm. cond.
mW/(m-K)
Viscosity
uPars
294
997.983
296
997.532
273.16
280
0.000612
0.000992
55.497
55.501
0.018019
561.04
574.04
592.73
610.28
626.05
639.71
1791.2
1433.7
0.018018
0.018038
0.018078
0.018136
0.018209
200
300
0.001920
55.440
1084.0
298
997.042
310
320
0.003537
0.006231
0.010546
55.315
55.139
54.919
853.84
693.54
577.02
300
996.513
302
995.948
Transcribed Image Text:DETERMINATION OF ABSOLUTE VISCOSITY USING OSTWALD VISCOMETER: A group of students enrolled in a Physical Chemistry Laboratory class performed an experiment on the determination of absolute viscosity using Ostwald viscometer. The data gathered by the group are documented in the table below. Solve for the unknown data #'s 1-9, and the 2 other questions. Room Temperature: 23.8 °C Pressure: 764 mmHg Time (s) Compounds Mean time (s) Trial 1 Trial 2 Trial 3 Water 25.6 30.3 27.5 27.8 Benzene 21.2 19.98 20.5 (1) Chloroform 9.78 12.3 10.2 (2) Methanol 22.1 19.76 20 (3) Density (g/mL) Mean density (g/mL) Compounds Trial 1 Trial 2 Trial 3 Benzene 0.869 0.878 0.881 (4) Chloroform Methanol 1.491 1.484 1.495 (5) 0.800 0.779 0.797 (6) Compounds Mean 7 (cP) Benzene (7) |Chloroform (8) Methanol (9) Table 2-30 Density (kg/m3) of Saturated Liquid Water from the Triple Point to the Critical Point T,K P, kg/m³ TABLE 2-305 Thermodynamic Properties of Water Temperature K Pressure MPa Density moldm Volume dm'/mol Therm. cond. mW/(m-K) Viscosity uPars 294 997.983 296 997.532 273.16 280 0.000612 0.000992 55.497 55.501 0.018019 561.04 574.04 592.73 610.28 626.05 639.71 1791.2 1433.7 0.018018 0.018038 0.018078 0.018136 0.018209 200 300 0.001920 55.440 1084.0 298 997.042 310 320 0.003537 0.006231 0.010546 55.315 55.139 54.919 853.84 693.54 577.02 300 996.513 302 995.948
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