carbonyl compounds is useful in reactions because nitriles are versatile functional groups1. Not only are they versatile functional groups but they serve as precursors in several transformations. The cyano-group is found in many bioactive molecules and plays a role in hydrogen bonding to certain biological receptors.4 Nitriles are carboxylic acid derivatives because they can easily be converted to carboxylic acid under either basic or acidic conditions. Piperonal is an aromatic compound that is present
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Separation and Purification of Organic Compounds Codilla‚ Christine‚ Cristobal‚ Marian‚ Dionisio‚ Jermaine‚ Dumaquita‚ Vanessa‚ Edrosolo‚ Lyka‚ Esquivel‚ Christine1 1University of Centro Escolar‚ Makati Date Performed: December 5‚ 2012 Date Submitted: December 17‚ 2012 Abstract The distillation process was successfully done because of the separation of water from the acetone. When the distillate was lighted with the matchstick it produced flame which indicates that there was more presence
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following event comparable to the assassination of the Archduke Franz Ferdinand? The tragic life of a street vendor Al Jazeera travels to the birthplace of Tunisia’s uprising and speaks to Mohamed Bouazizi’s family. Yasmine Ryan Last Modified: 20 Jan 2011 15:00 GMT In a country where officials have little concern for the rights of citizens‚ there was nothing extraordinary about humiliating a young man trying to sell fruit and vegetables to support his family. Yet when Mohamed Bouazizi
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Hydrogen is recognized as the simplest and lightest chemical element in the periodic table; even though it is identified as one of the top elements in abundance in the world (consisting of 0.9 percent of the total mass on earth)‚ it is considered to be the most abundant element in the entire universe. It is a gaseous element with the atomic symbol being H. It is usually categorized under the first group of the periodic table known as the alkali metals. It contains only one electron that revolves
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2014 Experiment No. 7 Unknown: 2 Compound: Table 6.1Physical Examination State Liquid Odor Smells like adhesive paste Color Pink-orange Flammability Flammable Table 6.2Physical Constant: Melting Point Parameter Experimental Theoretical (From Literature) Melting Point (oC) Trial 1 Trial 2 Average 88 88 86 86 Table 6.3Solubility Test Sample Solubility Solubility Class Water Ether 5% NaOH5% Na2CO3 5% HClConc. H2SO4 Unknown Sample + + + + + + Basic Compound Table 6.4Qualitative Tests for
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the answer you found represent? c) Graph both lines and verify your answer graphically. 5. The following equations represent lines that are a) parallel b) intersecting c) are the same line. Circle the correct answer. 3x-6y = 7 9x-18y=20 6. It turns out that $1 CAN is worth 0. 63 euros. When I go to Europe and get ready to return to Canada‚ I have 500 Euros left‚ which I exchange. The person cannot give me change and always rounds down to the nearest Canadian dollar‚ in order to
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Ch. 20 Prompts 1. Some of the conflicts that arose during the 1890s depression ranged from increased rural hostility towards the cities‚ fluctuating opinions on government‚ unemployment and reform. The debate over currency was very heated as well. Farmers were aggravated with the fact that they didn’t get their fair share of economic and social benefits. The public demanded reform and a larger role for the president. The alignment of these political issues along with the government itself led
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The 5/20 rule is very new to me and this is my first time hearing about it. I think I’ve got a good understanding of it. The 5/20 rule is define as any food items that contains 5%or close to 5% of nutrition‚ it’s not a good source‚ but if it contains 20% or more nutrition‚ then it’s consider as a good source. Every morning I make sure I drink some apple juice. The apple juice that I drink contains 5% or less‚ so it’s really not good for me. My favorite snack is crunch and munch. It contains close
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Yasmin Yesilyurt Unit 20 M1 Assess how the social context may influence the ability of health education campaigns to change behaviour in relation to health. There are some issues when it comes to looking at how social context may influence the ability of health education campaigns to change behaviour in relation to health. One of these issues is financial constraint. This issue can put pressure on the public to try and fulfil leading a healthy lifestyle. Many people may not be able to afford the
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MacromoleculesQuestions: 1. Which functional groups are involved in buiding a covalent bond between these amino acids? Amine and Carboxylic acid = Amide 2. When the covalent bond is built between alanine and glycine‚ which functional group will alanine use for peptide bond? Carboxylic Acid 3. When the covalent bond is built between alanine and glycine‚ which functional group will glycine use for peptide bond? Amine 4. When the covalent bond is built between glycine and alanine‚ which functional group will
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