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1. Compute the depression of mercury in a glass tube (D = 0.5 mm) immersed in a beaker of mercury. 470 dyne/cm e =D150° PHG HG = 13.4 g/cm. %3D %3D %3D HG 2. If water overlays mercury in Exercise 1. what will the depression be? (e = 150°) wHG 3. What is the capillary pressure in Exercise 2?

1. Compute the depression of mercury in a glass tube (D = 0.5 mm) immersed in a beaker of mercury. 470 dyne/cm e =D150° PHG HG = 13.4 g/cm. %3D %3D %3D HG 2. If water overlays mercury in Exercise 1. what will the depression be? (e = 150°) wHG 3. What is the capillary pressure in Exercise 2?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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ecture One Exercises 1. Compute the depression of mercury in a glass tube (D = 0.5 mm) immersed in a beaker of mercury. 470 dyne/cm 0 %3D 3. = 150° P.= 13.4 g/cm. 2. If water overlays mercury in Exercise 1, what will the depression be? (0 HG %3D HG HG = 150°) 3. What is the capillary pressure in Exercise 2? wHG 4. For a capillary glass tube of 1 mm diameter, compute the rise of water above the water surface if the water is overlain by oil. Also compute the capillary pressure in the tube. G = 72 dyne/cm o = 35 dyne/cm %3D P= 1 g/ml p = 0.82 g/ml 0 (water/oil/glass) = 47° e (oil'air/glass) = 65° 5. The grains of a sandstone core sample are 10 microns in diameter and are packed in the cubic arrangement. The core is saturated with water at atmosplheric pressure (14.7 psia). If we want to displace the water from the core completely by using the oil of Exercise 4, what is the minimum oil pressure required? Water oil quartz contact angle is 45°. Hint: To estimate the radius of a pore, assume it to be a circle of the same area as the pore.
Transcribed Image Text:ecture One Exercises 1. Compute the depression of mercury in a glass tube (D = 0.5 mm) immersed in a beaker of mercury. 470 dyne/cm 0 %3D 3. = 150° P.= 13.4 g/cm. 2. If water overlays mercury in Exercise 1, what will the depression be? (0 HG %3D HG HG = 150°) 3. What is the capillary pressure in Exercise 2? wHG 4. For a capillary glass tube of 1 mm diameter, compute the rise of water above the water surface if the water is overlain by oil. Also compute the capillary pressure in the tube. G = 72 dyne/cm o = 35 dyne/cm %3D P= 1 g/ml p = 0.82 g/ml 0 (water/oil/glass) = 47° e (oil'air/glass) = 65° 5. The grains of a sandstone core sample are 10 microns in diameter and are packed in the cubic arrangement. The core is saturated with water at atmosplheric pressure (14.7 psia). If we want to displace the water from the core completely by using the oil of Exercise 4, what is the minimum oil pressure required? Water oil quartz contact angle is 45°. Hint: To estimate the radius of a pore, assume it to be a circle of the same area as the pore.
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