INVESTIGATION #2 DETERMINATION OF THE WATER OF CRYSTALLISATION April 4‚ 2012 OBJECTIVE: Chemical compounds that contain discrete water molecules as part of their crystalline structure are called hydrates. Hydrates occur quite commonly among chemical substances‚ especially among ionic substances. More often than not‚ such compounds are either prepared in‚ or are recrystallized from‚ aqueous solutions. Hydrates exist for ionic compounds most commonly‚ but hydrates of polar and non polar covalent molecules
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com/kids/stories/spacescience/water-bottle-pollution/ Tap vs. Bottled Water Bottle water versus tap water‚ which is better for our health; is a question most people find themselves conflicted on which to choose. We have a fascination with bottled water. Somehow‚ somewhere‚ someone decided the tap water was not good enough for us‚ and along came the obsession that water in a bottle was better for us. Most of us would agree that the argument for drinking bottled water is basically the taste and there
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Water scarcity is the lack of sufficient available water resources to meet the demands of water usage within a region. It currently affects around 2.8 billion people around the world‚ on all continents‚ at least one month out of every year and more than 1.2 billion people lack the access to clean drinking water.[1] Water scarcity can be a result of two mechanisms: physical (absolute) water scarcity and economic water scarcity‚ where physical water scarcity is a result of inadequate natural water
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* Water is a natural resource of the utmost importance; nothing on earth can survive without it. Aside from drinking‚ water is used for agriculture‚ cooking‚ bathing‚ cleaning‚ industrial purposes and sanitation. When the demand for water exceeds its supply for an extended period of time‚ scientists refer to the situation as water stress. This serious issue leads to lower quantity and quality of freshwater resources. While most causes are human-related‚ others are uncontrollable. Population Growth
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solutions to the problem of water shortage in Australia. Water is the resource which is under increasing stress for most countries‚ especially for the developing countries. Australia is one of the experiencing typical water shortage countries. In Australia‚ in the recent years‚ water scarcity is a controversial and high-concerned issue since the global warming‚ land desertification‚ population growth‚ increasing use of hydropower and irrigation factors have intensified the water shortage phenomenon
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Water is called “the elixir of life”. This is‚ indeed‚ the name which the Indian Nobel Laureate‚ C. V. Raman‚ has given it in his celebrated essay of the same name. The earth comprises two thirds of water and one third of land. Water is essential for all living beings. There can be no life without water. Human beings‚ animals and all kinds of plants all need water. Much of the beauty of the earth is because of the presence of plenty of water on it. The main sources of water are rain‚ rivers
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DECISIONS SERIES Oxygen Saturation A Guide to Laboratory Assessment BY SHANNON HAYMOND‚ PHD uman life depends on the oxygen transport by hemoglobin. In healthy patients‚ the majority of molecular oxygen (O2) is bound to hemoglobin and only a small fraction is dissolved in blood. But in patients with respiratory problems or certain metabolic and genetic disorders‚ the fraction of oxygenated hemoglobin can fall to dangerously low values. Therefore‚ laboratory assessment of oxygen saturation (SO2)—the
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The Water Cycle By: Ricayanna Clarke Mr.Fraizer 804 Science TABLE OF CONTENTS 1. INTRODUCTION 2. CHAPTER 1 – The Water Cycle 3. CHAPTER 2 - What is Evaporation? 4. CHAPTER 3 - Condensation 5. CHAPTER 4 - Precipitation 6. CHAPTER 5 - Major sources of water 7. CHAPTER 6 - Where are places that irrigation would be common? 8. CONCLUSION 9. BIBILIOGRAPHY INTRODUCTION The reason why I chose this topic is because I was interested in the water cycle. The water cycle
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case of Coca-Cola it might be that most of the village of Palchimada is working at that plant‚ hence this would affect the whole social environment in the village. On the other hand the villagers are also affected negatively as they are losing their water resources if Coca-Cola keeps operating. The second party at stake would be the suppliers of the company from boxes to ingredients and branding materials. Moreover‚ The shareholders of the company are affected as they would lose money‚ market share
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Some children have difficulties accepting their race. In “The Color of Water” written by James McBride covers the story of a biracial man that is trying to find out more about his white mother. Throughout the book James McBride discusses how racism and acceptance from people can be difficult. In the text “The Color of Water”‚ racial tensions has had an effect on James mother Ruth’s along with James and other individuals who have dealt with being biracial while looking to being accepted in their
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