Determination of the Surface Tension of a Liquid by the Capillary Rise Method: A group of students enrolled in a Physical Chemistry Laboratory class performed an experiment on the determination of the surface tension of a liquid by the capillary rise method. The data gathered by the group are documented in the tables below. Solve for the unknown data for #s 1-12. Compounds Average Height, dm Density (e/ml) Water 0.16 0.9998 Benzene 0.08 0.7882 Chloroform 0.03 1.4592 Methanol 0.07 0.8707 Compounds Theoretical Value of Surface Calculated Surface Tension at % Error Tension at 20°C, dyne/cm 20°C, dyne/cm (Water as Calibrating Liquid) Water 72.86 Benzene 28.88 1 Chloroform 27.5 2. Methanol 22.7 Calculated Surface Tension at 20°C, dyne/cm (Benzene as Calibrating Liquid) Compounds Theoretical Value of Surface % Error Tension at 20°C, dyne/cm 10 72.86 28.88 Water Benzene Chloroform 27.5 Methanol 22.7

Determination of the Surface Tension of a Liquid by the Capillary Rise Method: A group of students enrolled in a Physical Chemistry Laboratory class performed an experiment on the determination of the surface tension of a liquid by the capillary rise method. The data gathered by the group are documented in the tables below. Solve for the unknown data for #s 1-12. Compounds Average Height, dm Density (e/ml) Water 0.16 0.9998 Benzene 0.08 0.7882 Chloroform 0.03 1.4592 Methanol 0.07 0.8707 Compounds Theoretical Value of Surface Calculated Surface Tension at % Error Tension at 20°C, dyne/cm 20°C, dyne/cm (Water as Calibrating Liquid) Water 72.86 Benzene 28.88 1 Chloroform 27.5 2. Methanol 22.7 Calculated Surface Tension at 20°C, dyne/cm (Benzene as Calibrating Liquid) Compounds Theoretical Value of Surface % Error Tension at 20°C, dyne/cm 10 72.86 28.88 Water Benzene Chloroform 27.5 Methanol 22.7

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter10: Liquids And Solids

Section: Chapter Questions

Problem 20E: The density of liquid NH3 is 0.64 g/mL; the density of gaseous NH3 at STP is 0.0007 g/mL. Explain...

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