A glass capillary tube with a radius of 0.050 mm is inserted into an open container filled
Question:
A glass capillary tube with a radius of 0.050 mm is inserted into an open container filled with an unknown liquid, and the meniscus has an appearance similar to Figure 10.35A. It is found that the surface tension causes the liquid in the tube to rise a distance of 2.5 cm relative to the surface of the liquid outside the tube. If the density of the liquid is 1000 kg/m1what is the surface tension?
Figure 10.35A
Meniscus Water molecules are attracted to the glass Water in a glass capillary tube
Step by Step Answer:
The pressure on the liquid inside is the capillary pressur...View the full answer
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
Related Video
The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. The molecules at the surface of a glass of water do not have other water molecules on all sides of them and consequently, they cohere more strongly to those directly associated with them (in this case, next to and below them, but not above). is not really true that a \\\"skin\\\" forms on the water surface; the stronger cohesion between the water molecules as opposed to the attraction of the water molecules to the air makes it more difficult to move an object through the surface than to move it when it is completely submersed
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