Experiment 05 Water Hardness October 8th‚ 2013 The hardness of water was determined using the methods of titration‚ conductivity‚ and pH analysis. The mean and uncertainty of CaCO3 is 134±36.0 ppm. An error that could have potentially happened could be that the equivalence point was not correctly established causing inaccurate data. BACKGROUND: 1In hard water there is a high amount of mineral content present in the water. Most of the mineral content that is present
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Water polo is a team water sport. It is the oldest continuous Olympic team sport. The playing team consists of six field players and one goalkeeper with a maximum of six substitutes. The winner of the game is the team that scores more goals. Gameplay involves swimming‚ players passing the ball while being defended by opponents‚ and scoring by throwing into a net defended by a goalie. Water polo‚ therefore‚ has strong similarities to the land-based game of team handball. The frequency of ’man-up’
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Ideas may be simple‚ but what makes simple idea a great one is interest. I believe that a person’s interest in any field makes him produce great ideas and achieve big. The technology I chose might be different to the typical smartphone and satellite theories but it has certainly made a huge impact and will continue to revolutionize the world. Solar energy is a natural renewable resource that is available in unlimited quantities and is a great source used for solar heating‚ solar photovoltaic‚ solar
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2004‚ water supply was available on average for 18 hours each day in the West Zone of Metro Manila and 21 hours in the East Zone. According to their respective websites‚ the utility responsible for water supply in the East Zone of Metro Manila increased 24-hour water from 26% in 1997 to 98% in 2007‚ whereas in the West Zone‚ 42% of the customers had an uninterrupted supply in 2007. In a 2004 sample of 45 water service providers with different management models and sizes‚ the National Water Resources
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Importance of Water Water is important to the mechanics of the human body. The body cannot work without it‚ just as a car cannot run without gas and oil. In fact‚ all the cell and organ functions that make up our entire anatomy and physiology depend on water for their functioning. Water serves as a lubricant in digestion and almost all other body processes. The water in our saliva helps facilitate chewing and swallowing‚ ensuring that food will slide easily downs the esophagus. Water also lubricates
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Water Pollution Water pollution is the contamination of bodies of water such as ponds‚ lakes‚ oceans‚ rivers and even groundwater. Water pollution is mainly caused by many human activities‚ which can be harmful to animals and plants which live in these bodies of water are located. Nature also takes its toll on water pollution such as volcanoes‚ severe storms‚ and earthquakes also cause major changes in the quality of water. Water is typically considered to be polluted when it’s impaired
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Fluoride In Water What? Fluoride in water! I though fluoride is where you put in toothpaste to brighten your teeth. That’s what I used to think. After reading and researching of water fluoridation‚ is a shocker. Water fluoridation is the process of putting appropriate amount of fluoride in water to control tooth decay. Since the 40’s‚ researcher have claimed that by adding moderate amount of fluoride to the water supply can help toughen the enamel of teeth and preventing tooth decay. By drinking
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Class: 4Sc1 Teacher: Pn XX Group Name: XX INTRODUCTION A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel—the engine of the rocket—is usually a used plastic soft drink bottle. The water is forced out by a pressurized gas‚ typically compressed air. The term "aquajet" has been used in parts of Europe in place of the more common "water rocket" and in some places they are also referred to as "bottle rockets" (which can be
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Water Is Invaluable “Water is the driving force in nature.” The importance and beauty of water in our body There are many benefits water could offer to our body: It can give us healthy skin Our skin is always hungry for water and we must always provide it in order for it not to be looking dry‚ dull and no life. Water has proven that it can remove lines on our skin because if you feed your skin with water‚ it now hydrated and if it is hydrated‚ the cells will be awakened and will look
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The Water Cycle * Name three important needs of water. a. Almost all of the body’s living cells need and depend on water to perform their functions. b. Water carries nutritive elements to the cells and carries away waste materials and salts to the kidneys. c. Water serves as an important constituent of lubricants. * How is water distributed through the biosphere About 97 percent of all water is in the oceans. Three percent of all Earth’s water that is freshwater. The majority‚ about 69
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