The Importance Of Water On Earth

935 words - 4 pages

All matter is made up of atoms and water is no exception. In order to shape molecules atoms either bond, or fuse together. To shape a water molecule, two atoms of hydrogen must bond to a single atom of oxygen. This results with the chemical composition of H2O. Water is an extremely unique substance because of its numerous special properties, the process of structuring a water molecule, and how they all act together.
When a single oxygen atom is bonded by two hydrogen atoms at its top, the molecule resembles the ears (hydrogen atoms) and face (oxygen) of Mickey Mouse. A covalent bond with electrons that don’t share equally, is a molecule identified being polar. This Mickey Mouse shape of the water molecule provides polarity. Signifying that as a whole, water molecules are neutral, however at the same time one end has a negative charge while the other has a positive. The oxygen side is negatively charged, whereas the hydrogen side is positively charged. South poles attracted to north poles in a magnet (two opposites), is very similar to how opposites attract in a water molecule; the negative side is attracted to the positive side of another molecule. Caused by the polarity of water is the “stickiness” linking molecules, also known as cohesion.
In result of water polarity is the property of cohesion; which is responsible for water being able to fuse to itself effortlessly. Another resulting property is that of adhesion, which indicates water’s strong ability to attach to other things as well; hence on particular exteriors, water spans out in a fine layer. Rather than fusing together in a clump, water spans out. Thus, the cohesive forces get over powered by the adhesive ones, after there has been an interaction between water and these exteriors.
Capillary action is triggered by water being cohesive. When water rises up in small areas it is using its ability of capillary action. Cohesion is what makes the ability of plants to suck water up through their fibers possible. Hence, this is responsible for the way which plants obtain their needed water. The water coheres to itself and moves up; in response to the surface tension trying to compress the plant’s tubes after water adheres inside.
The bipolar molecule allows water to have a broad range of substances dissolved, which is why it’s recognized as the “universal solvent”. Thus, solubility is influenced by a molecule’s polarity, on behalf that non-polar substances can be dissolved by different non-polar substance, and polar substances can be dissolved by different polar substances. However, dissolving cannot occur between non-polar substances and polar substances. Water has a high surface tension because of its molecule’s polarity, which causes them to be very attracted to each other. In...

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