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Surface Tension
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Surface Tension

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Questions and Answers

What is surface tension?

  • The tendency of liquid surfaces at rest to shrink into the minimum surface area possible (correct)
  • The tendency of liquid surfaces to expand into the maximum surface area possible
  • The tendency of liquid to sink to the bottom of a container
  • The tendency of liquid to evaporate quickly
  • What allows objects with higher density than water to float on its surface?

  • Adhesion
  • Cohesion
  • Surface tension (correct)
  • Buoyancy
  • What causes surface tension at liquid-air interfaces?

  • Equal attraction of liquid molecules to each other and to the molecules in the air
  • Greater attraction of liquid molecules to the molecules in the air than to each other
  • Greater attraction of liquid molecules to each other than to the molecules in the air (correct)
  • No specific attraction between liquid molecules and air molecules
  • What is the net effect of surface tension on a liquid's surface?

    <p>The liquid behaves as if its surface were covered with a stretched elastic membrane</p> Signup and view all the answers

    What is the second primary mechanism contributing to surface tension?

    <p>A tangential force parallel to the surface of the liquid</p> Signup and view all the answers

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