In 1947‚ One hundred eleven men were killed in an explosion that took place at the Centralia No 5 mines located in the state of Illinois. The explosion was caused by highly explosive coal dust that was ignited by an explosive charge. During that time‚ Driscoll Scanlan was one of l6 Illinois state mine inspectors‚ appointed by Governor Green. He was given the responsibility of policing the mines as well as the operators. Additionally‚ it was his duty to make sure that the company’s was in compliance
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Coursework 4 Copper Name of student: Alfiya Ospanova Tutorial group: G Copper is one of the earliest elements explored by humanity. Due to the special red shade it was easy to find in ancient times. The metal was named according to place where it was found‚ the Cyprus islands. Copper produced in massive stars and spread in the world as minerals like chalcocite and chalcopyrite (sulfide of copper)‚ azurite and malachite (carbonate of copper)‚ cuprite (oxide of copper). The atomic
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Research question/Aim Extract copper from copper oxide by reduction using butane gas Hypothesis The butane gas will reduce the copper oxide and leave behind pure copper. This will allow us to find the empirical formula of the copper oxide as well as the masses of oxygen and copper Variables Dependant variable The dependant variable will be the reduction of the copper oxide which will be calculated at different temperatures. Independent variable The independent variable here
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"The Silver Mine" the story is about this group of people who find a mountain that has silver in it. They end up taking some of the silver to a mineralogist to see the value of the mineral and they find out that it is silver. Later some of the men end up dying because all the money is corrupting them. "The Silver Mine" is by‚ Selma Lagerlof who has won the Nobel Prize as the first women ever to receive the prize. An abundance of money that you have not earned can corrupt you. First of all this
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Percent Copper and Formula of a Copper Compound Sofia Economides Date Preformed: 3/19/2012 Date Submitted: 3/26/2012 Lab Partners: Anita Smith‚ Taylor Bell‚ Derek Bourgeois 1. Purpose a. To determine the percent of copper and the formula weight of a copper compound. 2. Introduction a. Magnesium is a very active metal which can reduce copper (II) ions in a weight sample of a compound to metallic copper. The reduction of copper ions in a compound to a copper metal
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Copper Sun By Sharon M. Draper Ch. 1 (V) Betrothed: engaged to‚ be married Amari and Besa had been formally betrothed to each other last year. Kente: A colorful fabric of Ghanaian origin Their fingers flew as they chatted together‚ the pale fibers stretching and uncurling into threads for what would become kenet cloth. Ch. 1 (Q) “Be content with woman’s work child. It is enough.” I think this is a memorable quote in which got me thinking of how different women’s and men’s jobs where and
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Chilean Folk Music There are four main types of folk music in Chile they are: -Northern Chile‚ Musica Andina -Central Chile -Mapuche Music -Chiole Music Each type or sub-genre of music has a quite distinct sound and can be related to the racial groups of these areas and to the history of Chile. Racial History of Chile The history of Chile is varied as it has influenced greatly the course of folk music in these four main areas. The history is marked by the following major events:
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1. Who were the stakeholders involved in‚ or affected by‚ the collapse of Enron? All stakeholders were‚ obviously‚ affected by the collapse of Enron. However‚ several of them were critical‚ especially those being considered as market stakeholders such as suppliers‚ creditors‚ employees‚ and stockholders. These mentioned stakeholders seem to be Enron’s most recognizable as the essential contributors to its organization. They dared of giving up an available alternative in order to take a risk with
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Copper is one of the few metals that have been mined for more than 100 decades globally. According to M.G.C Wilson (1989) copper has been mined since the early 3000 BC in Cyprus. In the ancient times copper was used for making tools‚ weapons‚ ornaments and many household utensils. Copper is the third most widely used metal after aluminium (Al) and iron (Fe) because of its high durability (Doebrich et.al‚2009). In the Southern African region copper has been extracted by the early inhabitants long
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Parole Release Should parole release be abolished? This is one of the most talked about topics in the criminal justice field today. Many people feel it is time to do away with parole‚ while others are fighting to keep it around. There are pros and cons to both sides of the argument‚ all of which are very convincing. One of the strongest arguments against the parole system is the overpopulation problem in most prisons. Between 1986 and 1991‚ prisons have seen a 41% increase in the population of
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