October 17 & October 24‚ 2012 How is Aspirin Made? This lab is about synthesizing aspirin using a hotplate to heat the reaction. It involved vacuum filtration‚ recrystallization‚ and comparing the properties of aspirin with salicylic aspirin. The first thing we did in this lab was make a hot-water bath by putting a beaker with water on a hot plate. After measuring out 2.1 grams of salicylic acid and 3 ml of acetic anhydride‚ we mixed the two together‚ along with 3 drops of sulfuric acid. We
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What is hairspray made of? Hairspray is a solution of long‚ chainlike molecules (called polymers) in a very volatile solvent. Spraying deposits a stiff layer of the polymer on your hair after the solvent evaporates. The solvent used was once a compound of carbon‚ fluorine‚ and chlorine (a chlorofluorocarbon‚ or CFC). CFCs are nontoxic‚ nonflammable‚ and make almost ideal aerosol propellants. But when it was learned that they causedestruction of stratospheric ozone‚ they were replaced with other
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Arterial Blood Gases Made Easy Purpose of ABG * Assess degree to which lungs are able to provide adequate oxygen & remove CO2 & degree to which the kidneys are able to reabsorb or excrete HCO3 YOU MUST KNOW WHAT IS NORMAL TO BE ABLE TO KNOW WHAT IS ABNORMAL * pH = 7.35 to 7.45 * PaCO2 = 35 to 45 mm Hg * PaO2 = 80 to 100 mm Hg * HCO3 = 22 – 26 mEq/l What you MUST LOOK AT TO INTERPRET ABGS LOOK AT YOUR pH *Is it normal? * is it high? *is it low? EXAMPLES
Free PH Bicarbonate Carbon dioxide
1. Yang uses humor to illustrate difficult or painful situations in the novel. Why does he do this? Explain how Yang uses humor to impart a message to readers. Provide at least three specific examples from the novel in your essay. American Born Chinese written by Gene Luen Yang. In the beginning there are three story that are very different from the others story in the book. In the beginning this story talks about this monkey king and how he cannot go the party because he is a monkey. The next
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For those who don’t already know me‚ I am Abi and Maid of Honour today and Liz and I have been friends for the last 12 years. I would like to say how honoured I am that Liz has asked me to stand with her today‚ on one of the most important and special days of her life and how absolutely stunning and happy she looks. It seems like only yesterday that she and Neil came back from Greece and she asked to meet me for coffee and wedding chat. I remember meeting her on Mill lane with at least 4 wedding
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Newborn Screening Act AN ACT PROMULGATING A COMPREHENSIVE POLICY AND A NATIONAL SYSTEM FOR ENSURING NEWBORN SCREENING Republic Act No. 9288 AN ACT AUTHORIZING THE LEGACY OR DONATION OF ALL OR PART OF A HUMAN BODY AFTER DEATH FOR SPECIFIED PURPOSES Introduction In the Philippines‚ cases of genetic disorder have increased as the population rises. Some of these inheritable conditions are already present at birth and many others are not recognized until the child gets older. One factor is
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starting to get fed up. Then he realized that he had gone to Eluryh to pick up some food earlier in the day. So he set out on the path to Eluryh‚ checking all the bushes to where his sword could have fallen. But no swords were to be found. Knil made it to Eluryh and asked all the townsfolk if they had seen his sword‚ but they did not. One man said‚ "Knil‚ I do remember you walking out of town with it." Knil replied‚ "Thank you." Knil realized he was getting closer to finding his sword. He
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colleagues who had originally disdained him‚ and become‚ as Whitman wrote‚ "the grandest figure yet‚ on all the crowded canvas of the Nineteenth Century." As it turned out‚ unbeknownst to the country at the time‚ Lincoln was a towering political genius--not because he had mastered the traditional rules of the game‚ but because he possessed a remarkable array of emotional strengths that are rarely found in political life. He had what we would call today a first-class emotional intelligence. To
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House Made of Dawn: The Loss and Rebirth of Identity Indian‚ as the first inhabitants in North America continent are known as mysterious and full of legends‚ but they are always considered an old race with glorious and miserable history‚ like most other earlier civilization in the world. The Indians had been silent in the history of literature for a quite long time‚ because most of their works are in oral forms‚ and spread from mouth to mouth among themselves. In House Made of Dawn Momaday tells
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http://www.time.com/time/magazine/article/0‚9171‚973763-1‚00.html Are Gay Men Born That Way? By Christine Gorman;J. Madeleine Nash/Los Angeles Monday‚ Sept. 09‚ 1991 Gay men often claim that even as children they knew they were somehow "different" from other boys. Many say that sense even preceded puberty. And yet‚ though researchers have tried for decades to identify a biological basis for homosexuality -- which seems to be present in all human societies -- they have mostly come up dry. Tantalizing
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