A 0.03 cm internal diameter glass capillary tube contains gas, oil, and water, thus forming two interfaces,
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Question:
A 0.03 cm internal diameter glass capillary tube contains gas, oil, and water, thus forming two interfaces, namely, gas-oil and oil-water. The contact angles for these two interfaces are 35°and 25°, while the surface and IFTs are 30 and 15 mN/m, respectively. Calculate the gas-water capillary pressure.
Expert Answer:
Diameter of glass capillary tube D 003 cm 0003 m Radius of glass capillary tube r 0032 0015 cm 00001... View the full answer
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