Using ideal gas law to solve surface tension problem
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Surface tension/Relative adsorption. See attached file for full problem description.
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Solution Summary
Using ideal gas law to solve interfacial surface tension problem.
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We are familiar with the ideal gas law in three dimensions:
PV = nRT,
where n = number of moles and R = universal gas constant = 8.3145 J/mol K
To change this to two dimensions, we simply replace the V with an A (volume becomes area). This can then be applied to surfaces, because surfaces are two-dimensional. Pressure is still relevant - it is the surface tension. Surface tension can be derived from ...
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