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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.

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.

Chemistry
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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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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