COCAINE One of the most dangerous and widely abused drugs is cocaine‚ although they do not produce very severe physical dependent symptoms upon withdrawal. In the early 16th century‚ Francisco Pizzaro encountered the Inca; he found that royalty used the coca plant. This was the 1st contact Europeans had with this drug. In Peru this was considered to be “the gift of the Gods” (Craving for Ecstasy and Natural Highs: A Positive approach to mood Alteration Milkman‚ Sunderwirth) and was used in religious
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Marie Curie was a famous Polish chemist. Marie and her husband Pierre Curie were early researchers in radioactivity. She received her first Nobel Prize in 1903 for physics‚ together with Pierre and Henri Bequerell‚ for research in the area of radioactivity. In 1911‚ she was given a second Nobel Prize in Chemistry for her work in discovering radium and polonium. Discovery of Radium and Polonium Marie Curie received the Nobel Prize in Chemistry in 1911 for her discovery of radium and polonium. She
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Cocaine Abuse Kiara Palmer Shaw University Cocaine and crack are both drugs created from the coca plant but have different levels of refinement. Cocaine is an addictive stimulant of the central nervous system‚ extracted from the coca leaf. Cocaine is usually inhaled but can also be injected. Crack is the freebase form of cocaine that has been processed from the powdered cocaine hydrochloride form to a substance that can be smoked. Cocaine is taken in through the nose and crack is
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2 INSTRUCTIONS TO SUPERVISORS For Question 1 Candidates will require the following. (a) Approximately 2.0 mol/dm3 hydrochloric acid (HCl)‚ labelled P. Allow each candidate approximately 200 cm3. (b) Approximately 2.0 mol/dm3 sodium hydroxide (80 g/dm3 NaOH)‚ labelled Q. Allow each
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Cocaine is a powerful central nervous system (CNS) stimulant that heightens alertness‚ inhibits appetite and the need for sleep‚ and provides intense feelings of pleasure. It is prepared from the leaf of the Erythroxylon coca bush‚ which grows primarily in Peru and Bolivia. Street dealers dilute it with inert (non-psychoactive) but similar-looking substances such as cornstarch‚ talcum powder‚ and sugar‚ or with active drugs such as procaine and benzocaine (used as local anesthetics)‚ or other
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the previously empirical concept of atomic number‚ and Moseley’s law. This law advanced chemistry by immediately sorting the elements of the periodic table in a more logical order. It also advanced basic physics by providing independent support for the Bohr model of the Rutherford/Antonius Van den Broek nuclear atom containing positive nuclear charge equal to atomic number. Niels Henrik David Bohr (pronounced [nels ˈb̥oɐ̯ˀ] in Danish; 7 October 1885 – 18 November 1962) was a Danish physicist who
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achieving holiness or purity. In her book Purity and Danger‚ Mary Douglas examines some of the arguments put forth by several scholars and theologians. In her examination‚ Douglas rejects most of the explanations and settles on the explanation that she believes to be the only one without contradiction‚ the idea of purity. To understand why Mary Douglas comes to the conclusion that she does‚ it is important to understand how she views the concept of “good” and “evil” or “purity” and “pollution”
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A chemist is a scientist who studies the composition and properties of substances. The discipline a chemist practices‚ chemistry‚ originates from several earlier practices‚ stemming from ancient times. Chemists commonly have a heavy involvement in research‚ in order to build on the body of knowledge‚ by testing and uncovering properties and uses of substances. The expertise of a chemist is called upon within various important interdisciplinary efforts‚ including medicine‚ pharmacology‚ engineering
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Three Cocaine Era’s The first Cocaine Era begins ruffly around 2500 BCE in South America. The Peruvian South Americans chewed on the Erythoxylan Shrub‚ which contains cocaine in its leaves. Historians believe that the use of this stimulant assisted this small‚ contained community to want to branch out and spread across the contenent. The cocaine provided the South AMericans with the energy and motivation to strive to make architectual and social advancements. This era of cocaine use was by far
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Some say there is nothing stronger than a bond between a father and his son. The trying and heartwarming relationship between the father and his son is shown in the story “Powder” by Tobias Wolff. There are many differences and similarities between the father and his son‚ maybe a few more differences than similarities but that doesn’t stop them from spending time with each other. To begin with‚ throughout the story the reader makes it clear the differences between the two characters. First off
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