Diarrhea describes bowel movements (stools) that are loose and watery. It is very common and usually not serious. Many people will have diarrhea once or twice each year. It typically lasts two to three days and can be treated with over-the-counter (OTC) medicines. Some people have diarrhea often as part of irritable bowel syndrome or other chronic diseases of the large intestine. Doctors classify diarrhea as "osmotic‚" "secretory‚" or "exudative."Osmotic diarrhea means that something in the bowel
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Mahlaqua Imran Chemical and Physical Changes Lab 09/09/13 I. Purpose: Identify the different changes as a physical change or a chemical change. II. Safety: You may need safety goggles and gloves. III. Pre-lab questions: 1. Identify the following as either chemical or physical changes: a. Striking a match Chemical b. Food spoiling Chemical c. Breaking a glass Physical d. Mowing the grass Physical
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little to no reaction took place indicating no presence of carbonates. While testing for Chloride and Iodide‚ my solution reacted with sulphric acid and a yellow-ish colour change took place. No reaction took place when added to hydrochloric acid or barium hydroxide. Sulphate was tested for and no reactions or changed underwent‚ confirming
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the hospital staff‚ and the cleanliness of the facilities. Leslie talked to me about some of the procedures that they do in the radiology department‚ and show me some images. I was able to see some contrast images like the stomach‚ the esophagus‚ a barium edema‚ and some x-rays‚ right shoulder‚ left clavicle‚ and chest. She also showed me the cassettes that they use and how each cassette was developed in a Computed Radiography (CR) system. Then‚ Leslie introduced me to two students Sarah from Midwestern
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Calcium 47 was discovered by Sir Humphry Davy in 1808.Sir Humphry Davy is a Cornish chemist and inventor also best known in these day’s for isolating a series of substances for the first time.Potassium and sodium‚ in 1807 and calcium‚ storontium‚ barium‚ magnesium and boron the coming year‚along with identifying the element nature of chlorine and iodine.Sir Humphry Davy examined the strength convoluted in these depurations
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The Periodic Table The periodic table has been updated all throughout history. Elements have been around us since the beginning of time. Elements‚ such as gold and silver‚ are examples of these elements that have been known for centuries. The periodic table allows us to see the elements in their families so we can understand what properties they have. It also allows us to see the atomic number‚ atomic mass‚ and the symbol of the element. The periodic table is a source of knowledge that is still
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Testing for Cation and Anions OBJECTIVE: • Determine the presence of a cation or anion by a chemical reaction • Determine the cation and anion in an unknown solution All salt solutions have both positive (Cations) and negative (Anions) ions dissolved in it. In this experiment you will observe chemical reactions to determine the presence of specific anions and cations. Compare your observations with the reactions of the known solutions and the unknown solution to determine the ions present
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Water contamination in fracking (Groundwater) According to the International Journal of Human and Ecological Risk Assessment: The wastewater from fracking contain chemicals that are potentially toxic and natural contaminants from underground‚ such as barium‚ strontium‚ benzene‚ toluene and radioactive materials (NORM) such as Radium (Colborn‚ Theo et al‚ 2011). An EPA study in 2004 concluded fracking does not pose a risk to drinking water‚ but the study was later criticized Because the suspect intervention
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our lab‚ we were given the task of burning seven different salts and taking notes of what we observed. The different salts included Potassium chloride‚ Calcium chloride‚ Strontium chloride‚ Lithium chloride‚ Copper II chloride‚ Sodium Chloride‚ and Barium Chloride. Burning a pinch of each salt separately by holding a nichrome wire over a Bunsen burner‚ we found that each salt emitted a different color of light. For example‚ Potassium Chloride burnt a bright pink flame when burned‚ while Calcium burnt
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Carlos Torres-Montiel Marisol Leon English 2 26 January 2011 “1984” Reflection Paper What is language? Language is any system of formalized signs‚ sounds‚ or gestures used as a means of communicating thought or emotion. In 1984‚ Orwell shows how the Party uses language‚ politically‚ to deceive and manipulate people. Language becomes a mind-control tool‚ with the ultimate goal being the destruction of will and imagination. By controlling language‚ the Party is able to control its citizens. This
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