Water (H2O); Origin of Life By Mohammad Kamruzzamil Mojumder Contents Profile of water Physical properties of water Chemical aspects Chemical properties Reactions of water Importance in daily life Aspects as an energy resource Profile Water is a liquid at standard ambient temperature and pressure but it often coexists on earth with its solid state‚ Ice and gaseous state ‚steam (water vapor). It is a polar solvent but generally a weak electrical conductor and 65% of Human body weight is
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biological importance of water Water‚ the most abundant compound on the planet‚ is a material which is essential for all living organisms. Its uses in all living things cover a huge variety of everyday functions which are immeasurably important to the continuity of the organism. The fact that water makes up between 60 and 95 percent of all living organisms speaks for itself on the incredible biological importance of this compound. One of the major functions of water in living organism is its
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8.4 Water 8.4.1 Water is distributed on Earth as a solid‚ liquid and gas y y y Define the terms solute‚ solvent and solution Solution a homogeneous mixture of two or more substances Solute a substance that is dissolved in another substance or the component of a solution present in a lower amount. Solvent a substance which can dissolve another substance or the component of a solution present in a greater amount. Identify the importance of water as a solvent Water is essential as a reactant
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Water Technology Hardness of Water: Natural waters containing large quantities of dissolved salts of Calcium (Ca) & Magnesium (Mg) is called hard water. It is a characteristic of preventing lather formation of water with soap. Ca2+ & Mg2+ ions react with soaps which are salts of fatty acids (stearic or palmitic acid) to give insoluble scums or precipitates of calcium or magnesium stearate or palmitate. 2C17H35COO- + Ca2+ → (C17H35COO)2 Ca (scum) 2C17H35COO- + Mg2+ → (C17H35COO)2
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fertilizer to the soil. After the water soaked into the earth in the late fall‚ farmers cast seeds onto the rich soil and turned it over with wooden plows pulled by oxen. Nature did the rest until it was time to harvest the crops in the spring. The cycle started all over again with the next Nile summer flood. The early Egyptians had largely ignored this area as a major farming region. Additionally‚ the early Egyptians did not have the technology to lift or pump water from one level to another except
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functions. As I began to assess an appropriate topic for this paper‚ water seemed to spark the most interest. While cell membranes‚ heredity‚ gene expression‚ evolution‚ cellular metabolism‚ and chemical reactions are all appealing‚ water is undeniably more relevant. I decided to dissect the article entitled‚ “Water: The Science of Nature’s Most Important Nutrient” In this article Len Kravitz Ph.D. discusses the importance of water for human survival. The article does an excellent job of revealing
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Water is an integral part of land/soil productivity. Its misuse can cause both degradation and erosion of soils. Management of water resource is considered to necessary for well being of human life as well as crop yields. There is a gap between the seasonal availability of water and its equitable supply throughout the year. Accordingly the storage of water and passage through soils is very important. It is well known that about 70% area in this country is subject to varying degree of water stress
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Debt Crisis In Europe Bilal Merjan Hodges University ECO 6705 Dr. Ray Kest August 11‚ 2013 Table of Contents Abstract…………………………………………………………………………..4 Introduction………………………………………………………………………5 Research Paper Question…………………………………………………………7 1.What Caused The Financial Crisis In Europe………………………………….7 2.Two Views On The European Economic Crisis………………………………10 3.Divided They Fall……………………………………………………………...11 4.Growth In Time of Debt……………………………………………………….12 5.Greece and The European Debt
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Nestle I was shocked to learn that Nestle was taking one of Michigan’s most precious natural resource and destroying the area by pumping ground water at an alarming rate even after it became apparent their operations were harming the surrounding property and community. According to Nestle (2014) they are “the world ’s leading nutrition‚ health and wellness company”‚ but when it comes to the health and wellness of the communities they set up the bottling companies Nestle is more concerned with production
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EXPERIMENT 1: WATER CRYSTALIZATION OBJECTIVES: To determine the percentage of water in aluminium sulphate hydrate To calculate the water of crystallization for aluminium sulphate hydrate To prove that a hydrate solution will lose some of it mass after heated INTRODUCTION A hydrated salt is a crystallize salt molecule that is weakly attached to a certain number of water molecules. Salt is created when an acid’s anion (negative ions) and a base’s cation (positive ions) are combined to produce
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