Purpose of the Experiment: The intention of the experiment is to use solvent extraction methods to separate a mixture containing a carboxylic acid and a neutral compound. Once recovered‚ the solids were purified by recrystallization and examined by thin-layer chromatography‚ and their identities were derived by melting point and infrared (IR) spectroscopy. Extraction is a procedure that selectively dissolves one or more of the mixture compounds into a proper solvent. Extraction refers to the moving
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Sylvia Deborde is a research scientist at the Memorial Sloan Kettering Cancer Center who has developed a research interest in studying and trying to understand the cellular and molecular mechanisms behind cancer cell invasion in the nerves. More specifically‚ Deborde’s research focuses on analyzing the vital role that Schwann cells play in perineural invasion‚ the process in which cancer cells invade the nerves. Deborde began the seminar by explaining how the nerves are part of the tumor microenvironment
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Louis Isabella 15 November 2011 POSC-276 Dr. Dunham Of the people‚ By the People‚ For the People: Direct Democracy in America Since the first governments were created citizens have been trying to gain more influence on the laws and the politicians who make them. In representative democracies like the United States‚ sometimes relying on politicians to legislate in the interest of the people just isn’t enough. This is when the voters step in and use processes like initiative‚ referendum‚ and
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Cover Story Cola variants Spreading cola brands too thin Over the past 20 years‚ the battle for supremacy between Coca-Cola and Pepsi has resulted in the launches of numerous brand extensions. In combating decline in the fizzy drinks market‚ are the cola giants wise to rely on new variants to protect market share? By Mark Choueke variants. Coca-Cola added Diet Coke with Lemon to its permanent range this year‚ only for PepsiCo to follow with lemon and lime-flavoured Pepsi Max Twist. Not to be
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Top Man and Into Thin Air have several things in common. First‚ both of the stories consisted of big storms and weather issues. The ‘blow fell’ in the story of Top Man‚ Paragraph 1 Attention getting device quote from the story rhetorical question type of saying related to the subject or theme Give an overview State the name of the story and its author Thesis or claim statement Paragraph 2 and 3 Similarities Top Man and Into Thin Air have several things in common. First
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Available online at www.sciencedirect.com Energy Procedia 00 (2011) 000–000 Energy Procedia 15 (2012) 58 – 66 Energy Procedia www.elsevier.com/locate/procedia International Conference on Materials for Advanced Technologies 2011‚ Symposium O Thin Single Crystalline Elongate Silicon Solar Cells Andrew Blakers*‚ Vernie Everett‚ Jelena Muric-Nesic and Elizabeth Thomsen Centre for Sustainable Energy Systems‚ Australian National University‚ Canberra‚ Australia Abstract Efficient singlecrystalline
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MED325 – Hollywood Cinema 2‚ Assignment 1 The Thin Red Line & Apocalypse Now: War‚ Humanity and Nature on the Silver Screen Terence Malick’s The Thin Red Line (1998) and Francis Ford Coppola’s Apocalypse Now (1979) are widely regarded as two of the finest films belonging to Hollywood’s War genre. They both deal with similar issues and burning at the heart of each film is the notion that war is a futile practice. However‚ the two directors approach the subject matter in different ways. Malick with
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Skating on Thin Ice Nick Young “Do you believe in miracles? YES!” – Al Michaels The long icy road to the gold medal for ice hockey during the 1980’s Olympic Hockey Competition was not one for the weak or feeble. A group of young college athletes from different‚ some rival‚ schools went through trial and tribulation and came together and take on seemingly unbeatable circumstances‚ much like a protagonist would in a classic grail quest. Throughout the journey‚ the team of young students
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childhood obesity throughout the United States has led policy makers to rank it as a critical public health threat (J Koplan‚ CT Liverman‚ VI Kraak P.3). Children in particular‚ are gaining weight to a dangerous degree and at an alarming rate. Young people are also at risk of developing serious psychosocial burdens related to being obese in a society that stigmatizes this condition. The few key stakeholders are the adults‚ health professionals ‚ and the children. The most relevant stakeholder is the
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Dear Mr./ Mrs.‚ Our names are Rebecca and Vanessa Streiner. We are in the 8th and 9th grade at French Middle School and Topeka West High School. We were recently interviewed and accepted to participate as members of the People to People Student Ambassador Program to Italy‚ France‚ Switzerland‚ and Austria this summer. The objective of the program is to promote international understanding while building leadership skills among America’s youth. The 21-day experience includes meeting with government
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