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The Exiting World Of Water Essay

567 words - 2 pages

I thought it was the best I've written Very GoodPropertiesWater(h 2 0)is a liquid at room temperature, is odorless,tasteless, has a blush tint which may be detected; however, only inlayers of significant depth. The freezing point of water is 0degrees Celsius(32 degrees Fahrenheit), and its boiling point is 100degrees Celsius(212 degrees Fahrenheit). Water attains its maximumdensity at a temperature of 4 degrees Celsius(39 degrees Fahrenheit)and expands upon freezing.Water is one of the best known ionizing agents. Because mostsubstances are somewhat soluble in water, it is frequently stated asthe universal solvent. Water combines with certain salts to formhydrates. Water also reacts with metal oxides to form acids. It actsas a catalyst in many important chemical reactions.OccurrenceWater is the only substance now known to man, that can occur atordinary temperatures in all three states of matter, that is, as asolid, a liquid, and as a gas.As a solid, or ice, it is found as glaciers, and ice caps, onwater surfaces in winter, as snow, hail and frost, and as cloudsformed of ice crystals.Water occurs in the liquid state as rain clouds formed of waterdroplets, and on vegetation, or otherwise dew; in addition it coversthree covers of the surface of the earth in the form of swamps,lakes, rivers, streams, ponds, oceans, etc.As a gas, or in other words water vapor. It occurs as fog,steam, and clouds. Atmospheric vapor is measured in terms ofrelative humidity, which is the ratio of the quantity of vaporactually present to the greatest amount possible at a giventemperature.Life and WaterWater is a major constituent of living matter. From 50 to90 percent of the weight of living organisms is water. Protoplasm,the basis material of living cells, consists of a solution in waterof fats, carbohydrates, proteins, salts, and similar chemicals.Water acts as a solvent, carrying, joining ,and chemically breakingdown these...

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