Biology
Biology, 20.02.2020 19:57, idunno456

The relationship between hydrogen bonding and surface tension, adhesion, and cohesion
Surface tension, adhesion, and cohesion are properties of water that arise from the ability of water molecules to form hydrogen bonds with each other and with other polar molecules. What distinguishes surface tension, adhesion, and cohesion from one another is where the hydrogen-bonded molecules are found.

The diagram below shows the air-water interface at the top of a narrow tube filled with liquid water. Space-filling models of several water molecules are shown with their O atoms in red and H atoms in white. Notice that each of the pink targets (labeled a-g) lies within a rectangle that surrounds either a pair of water molecules or a water molecule and a molecule in the wall of the tube.

Label each target to indicate if the interaction between the molecules inside the rectangle contributes to surface tension (T), adhesion (A), or cohesion (C).
Note thatonetarget should be left blank because the molecules inside that rectangle are not involved in any of these interactions.

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The relationship between hydrogen bonding and surface tension, adhesion, and cohesion
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