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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drinking water samples from different places using four of the standard drinking water tests required by the EPA. The experiment will be performed by a four person group‚ with each person providing a different water sample. The four tests to be performed are: pH‚ conductivity‚ phenolphthalein and total alkalinity‚ and total and non-carbonate hardness. Data from these four tests will be gathered and analyzed‚ drawing conclusions “about the validity of the data as well as the quality of water” (Kippenhan
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Hardness of Water by EDTA Titration Introduction Water hardness is caused by natural minerals that are dissolved into the water‚ predominantly calcium and magnesium‚ and is measured as the equivalent concentration of calcium carbonate (in milligrams per litre). Water hardness is usually noticed because of difficulty in lathering soap and the formation of a scum in the bathtub. Ca2+ and Mg2+ form insoluble salts with soaps causing precipitation of the soap scum. Another effect of hard water is “boiler
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Water Cycle Earth’s water is always in movement‚ and the water cycle‚ also known as the hydrologic cycle‚ describes the continuous movement of water on‚ above‚ and below the surface of the Earth. Since the water cycle is truly a "cycle‚" there is no beginning or end. Water can change states among liquid‚ vapor‚ and ice at various places in the water cycle‚ with these processes happening in the blink of an eye and over millions of years. Although the balance of water on Earth remains fairly constant
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Water for Elephants The novel Water for Elephants is written by the best-selling author Sarah Gruen. The book was published on May 26‚ 2006‚ under Algonquin Books‚ in the United States of America. It has 335 pages‚ and is classified as historical romance and fiction. The book does include many historical events‚ such as the Great Depression‚ but the rest of the content is entirely fictional. The book is centered on Jacob Jankowski‚ who‚ after receiving the news of his parents’ death‚ jumps a
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The earth has a limited amount of water.That water keeps going around and around and around in what we call the "Water cycle".It is the only way that Earth can be continually supplied with fresh water.The sun is the most important part of renewing our water supply.It can be solid (ice)‚a liquid (water)‚ or gas (water vapor). Water on earth is always changing. How do these changes happen? It is made up of a few main parts:evaporation (and transpiration)‚condensation and precipitation. Evaporation
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where does the water cycle gets its energy from? the water cycle gets the energy from the sun. why do we need the water cycle? since 97% of the earth is covered by salt water we can not drink it. we can remove salt from water but it could be very expensive. how does water get into oceans? when clouds can’t hold any more water it comes as precipitation and lands in the ocean. what is the water cycle made up of? it is made up of six different traits. condensation‚infiltration‚runoff‚ evaporation‚ precipitation
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Water is an essential ingredient for life and may be the most precious resource the earth has to offer humanity. Many believe‚ however‚ that this valuable commodity is in danger as a result of man-made pollution. Through disrespect‚ shortsightedness and neglect‚ the species may be compromising its own survival unless there is significant improvement in water quality and management. The purpose of this paper will be to discuss water and its pollution through the various contaminants found in domestic
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Global Fresh Water Shortage Fresh water shortage is a global issue. There are more than one hundred countries face different levels of fresh water shortage‚ and thirty years later there will be 28 to 33 hundred billion people have shortages of water. People lived in fresh water shortage countries cannot even have water to keep them alive. Because of the fresh water shortage‚ people lived near the southern Sahara desert abandoned farmland‚ and 200‚000 people died from that. Africa‚ Asia‚ North American
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BOTTLED WATER – A REPORT 1. INTRODUCTION: The global bottled water industry has become very profitable in the past ten years. Huge multinational companies currently make billions of dollars on water they simply extract from the ground‚ slap a label on and sell at competitive prices. Examples of these companies includes: Aquafina (Pepsi)‚ Dasani (Coke)‚ Perrier (Nestle)‚ Evian‚ and Fiji Water among hundreds of others. Many countries have become very oriented toward bottled water. According to
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