American adults battled a substance use disorder in 2014 (Statistics on Drug). with that being said‚ over ninety percent of Americans battling addiction started their drug-using habits during their adolescent years (Addiction Statistics). This staggering percentage is not indicative of a cultural issue or passing trends of the decades‚ but of a physiological weakness seen consistently throughout youth. Compared to adults‚ adolescents face more detrimental long-term effects of substance abuse‚ because of
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How do ionic compounds form? How do electrons change the shape of a molecule? These are just a couple of the questions that this paper will answer. How do ionic compounds form? Ionic compounds are formed by positive and negative ions. An ionic bond means that there are valence electrons being shared between the two molecules. This can cause the molecule to become negative or positively charged. An ionic compound is formed by the complete transfer of electrons from a metal to a nonmetal and the
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Neon is the Element I’m interesting in. I choose to do neon because I found out the uses that are in our daily life. Neon was discovered by Sir William Ramsay in 1898 (England). Sir William Ramsay was a Scottish chemist who discovered it through the study of liquefied air. The name neon originates from the Greek word neos meaning new. Neon is the forth most abundant element in the universe. Neon is the element that allows you to watch TV‚ and without neon we would never see the cool flashing signs
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TECH0701: Measuring the Melting Points of Compounds and Mixtures Introduction This exercise dealt with the melting points of pure mandelic acid and benzoic acid. The eutectic temperature and composition of mandelic and benzoic acid mixtures were determined. And finally‚ an unknown was identified by its mixtures and melting point. The melting point of a compound is used by organic chemists not only to identify the compound‚ but also to establish its purity. To determine the melting point two
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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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Chemical Reaction of copper compounds Introduction: In this experiment‚ the objective was to conduct a series of chemical reactions that contain copper or copper compounds. That is to say that the products of each chemical reaction were used in the next reaction. The process starts with a solid copper wire dissolved in nitric acid and the end product is copper powder. The product which was used from the previous reaction is the limiting. In the initial step‚ the solid copper is the limiting reactant
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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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St.‚ Intramuros‚ Manila Melting Point and Boiling Point of Organic Compounds Group No. 5 Manacup‚ Cris Vincent L. Oblena‚ Adrian D. Ong‚ Joshua Jyro B.* *Leader ABSTRACT In compounds‚ two of the physical properties affected by the varying structures are melting point and boiling point. Through the use of the Thomas-Hoover Melting Point Apparatus or the micro method‚ the melting and boiling point of organic compounds are now determined. The aim of this experiment is to know the factors
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Transformation of Sentences Simple - Complex – Compound (Rules‚ Examples and Practice) Conversion of simple sentences into complex A simple sentence may be converted into a complex sentence by expanding a word or phrase into a subordinate noun clause‚ adjective clause or adverb clause. *By expanding a noun/noun phrase /adverb etc. into a noun clause 1. He admitted his mistake -------------- He admitted that he had made a mistake. 2
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Sands Dr. Finnley ENGL 1010 21 October 2013 The Cause of Substance Abuse Substance abuse affects many people in all walks of life. It is more common than one might realize. Substance abuse causes all sorts of negative effects in the affected individual. Substance abuse can be caused by several factors‚ including genetics‚ depression or anxiety‚ and performance apprehension. Genetics is believed to be an extremely strong cause of substance abuse. As stated in an article from the American Academy
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