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Saturday, December 14, 2013

Biological Importance of Water

The Biological Importance of peeing Water is a articulate that is colorless, transp atomic number 18nt and odorless. It is one of the most important biologic systems and it has numerous unequalled properties that make it essential to all life. Water exists in nature in all three states of intimacy (solid, liquid, gas), and it excessively covers 75% of the earth and composes roughly 78% of our body. most of irrigates unique properties are a result of the hydrogen bonds amongst irrigate jots. Structure of Water1.Hydrogen bonds because water supply supply molecules are diametrical covalent molecules, it has a slight positive and slight ban charge on opposite ends. Like the positive and prohibit ends of a magnet, the water molecules are attracted to to each one another(prenominal). Because of these attractive forces, water molecules are in close proximity to one another, do water in truth dense. In addition, as a result of the attractive forces, the atomic number 8 and hydrogen atoms exercise hydrogen bonds. Since the oxygen atom has 2 pairs of nonbonding electrons, each oxygen in a single molecule lavatory form H-bonds with two hydrogens. Figures on the next varlet confront such a hydrogen bond. The resulting clusters of molecules make water cohesive. In its liquid phase, H-bonds are distorted and the network of molecules is irregular.
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When water freezes, the H-bonds form the water molecules into a regular latt water ice with more way between the molecules than in liquid water; consequently ice is less dense than liquid water. 2. Water as a solventWater is a good solve nt. As a polar covalent compound, water can ! dissolve many substances. It is in accompaniment called ?the universal solvent?. Because polar covalent compounds provoke aerated poles, they dissolve in water and so they are say to be hydrophilic, which means ?water loving?. On the other hand, nonpolar covalent compounds do not dissolve... If you wishing to stick to a full essay, order it on our website: OrderCustomPaper.com

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