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What Do You Know About Water by chemprince(m): 11:06pm On Dec 29, 2014 |
WHAT DO YOU KNOW ABOUT WATER? Water is an odourless, tasteless, transparent liquid at room temperature. Water is wet. Water covers about 70 percent of the earth's surface in the oceans, lakes, rivers, and glaciers. Water is an odourless, tasteless, transparent liquid at room temperature. Ninety-seven percent of the water on the planet is in the form of salt water. Only 3 percent is fresh, and two-thirds of that is ice. Chemically, water is a compound of hydrogen and oxygen, its molecule consists of two atoms of hydrogen and one atom of oxygen - H2O. The physical and chemical properties of water are extraordinarily complicated and incompletely understood. (THE MECHANISM IS NOT PLAUSIBLE) Water is necessary for life. Water falls from the sky as rain and issues from the ground in springs. The water molecule is not linear but bent in a special way. As a result, part of the molecule is negatively charged and part positively charged. Water constitutes the greater part of the fundamental substance (protoplasm) of which animal and plant bodies are made Sap of plants and blood of animals contain large quantities of water. Water is essential to the manufacture of starch by plants. Many foods, such as milk and fruit, have high water content. For drinking purposes, water may need to be purified. Water present in the earth is called ground water (its upper level is called the water table) When drunk, the waters of the Lethe, a river in Hades, produced forgetfulness. Water's composition by weight is one part of hydrogen to eight of oxygen (or 11.1 percent of hydrogen and about 88.9 percent of oxygen) Water is an agent in erosion of the land. Water is relatively incompressible. By convention, one cubic centimeter of water at 4°C. (its temperature at maximum density) weighs one gram. Water is linked with the moon through the movement of tides and by its moon-like flowing, shape-changing quality. When cooled to its freezing temperature (0°C.,Many foods, such as milk and fruit, have high water content 32°F., under standard pressure), water changes to a colorless, crystalline solid (ice) Water is less dense as ice than as a liquid at 4°C. Unlike other liquids, water expands in freezing. When water is heated to its boiling point (100°C., 212°F., under standard pressure), it vaporizes to steam. Scientists believe that the structure of liquid water consists of aggregates of water molecules that form and re-form continually. At ordinary temperatures, water undergoes evaporation. Completely pure water is a poor conductor of electricity. Water is one of the best known solvents. Water power is of major economic importance. In natural waters, various substances are found dissolved. Mineral water contains a great variety and quantity of minerals (usually a compound of calcium, magnesium, or iron). Salt water contains a large amount of sodium chloride (common salt). Certain water is called "hard". Heavy water ( deuterium oxide ) was discovered by Harold C. Urey. There are lots of evidence that water is a special liquid in several Holy Scriptures. #waterforlife #SLAtheSage |
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