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Water Molecule

Water (H2O, HOH) is the most abundant molecule on Earth's surface, composing of about 70 percent of the Earth's surface as liquid and solid state in addition to being found in the atmosphere as a vapor. It is in dynamic equilibrium between the liquid and vapor states at standard temperature and pressure. At room temperature, it is nearly colorless with a hint of blue, tasteless, and odorless liquid. Many substances dissolve in water and it is commonly referred to as the universal solvent. Because of this, water in nature and in use is rarely pure, and may have some properties different from those in the laboratory. However, there are many compounds that are essentially, if not completely, insoluble in water. Water is the only common substance found naturally in all three common states of matter—for other substances, see Chemical properties. Water also makes up 75 percent of the human body.

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Uploaded by: ( Send Message ) on 29-03-2008. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

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