4. The Marangoni effect is the tendency of a material to move from a region of low surface tension to a region of high surface tension. Using your chemical knowledge, explain how the surfactant changed surface tension to propel your boat forward. Because we added soap to the bottom of our clip, the surface tension was low in that area only, causing it to move to another spot because...

4. The Marangoni effect is the tendency of a material to move from a region of low surface tension to a region of high surface tension. Using your chemical knowledge, explain how the surfactant changed surface tension to propel your boat forward. Because we added soap to the bottom of our clip, the surface tension was low in that area only, causing it to move to another spot because...

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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John was using sodium decyl sulfate as a surfactant at a concentration of 18 mM for reducing the surface tension of his system by about 25 dynes/cm. For cost reasons, he was told to replace sodium decyl sulfate with sodium dodecyl sulfate as the surfactant. Which of the following concentrations will give equivalent surface tension reduction using the sodium dodecyl sulfate in his formulation? 54 mM 6 mM 15 mM 2 mM
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