We stated in Example 11.12 that a xylem tube is of radius 2.50 10-5 m. Verify
Question:
We stated in Example 11.12 that a xylem tube is of radius 2.50 × 10-5 m. Verify that such a tube raises sap less than a meter by finding h for it, making the same assumptions that sap's density is 1050 kg/m3, its contact angle is zero, and its surface tension is the same as that of water at 20.0oC?
Step by Step Answer:
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Computer organization and architecture designing for performance
ISBN: 978-0136073734
8th edition
Authors: william stallings
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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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