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Define surface tension B)Define free surface energy

Define surface tension B)Define free surface energy

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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1.

A) Define surface tension

B)Define free surface energy

C)Describe an experiment to show how surface tension of liquid varies with temperature

D)A soap bubble of radius 8.0 cm is blown on the end of a tube which is connected to a U tube containing water.

i.Calculate difference in the water levels

ii.If another soap bubble of radius of curvature 2.0 cm is now allowed to make contact with the first so that the radius of curvature of the common surface is r and the surface tension for soap is 3.5 *10^-2 Nm^-1

calculate r

 

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