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Surface Tension
Part 1 of Paper
....cohesion and
gravity. is the condition existing at the free surface of a
liquid, resembling the properties of an elastic skin under tension. The tension
is the result of intermolecular forces exerting an unbalanced inward pull on
the individual surface molecules; this is reflected in the considerable
curvature at thos.... Part 2 of Paper
....n alone can support a needle placed
horizontally on a water surface.
Surface tension depends mainly upon the forces attraction between the
particles within the given liquid and also upon the gas, solid, or liquid in
contact with it. The molecules in a drop of water, for example, attract each
other weakly. Water molecules well inside the drop may be thought of as being
attracted equally in all directions by the surrounding molecules. However if
surface molecules could be displaced slightly outw.... |
| Number of words: 617 - Approximate pages: 3 |
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