Unit 4 Assignment 1 Copper vs. Fiber Paper Copper wire is found in most household electric or electrical related devices. One advantage of copper wire is its conductivity. Copper wire is second only to silver wire in level of conductivity meaning it will accept a current more so than almost any other type of wire. Copper wire is also heat resistant and can handle high levels of charge without many issues with overloading the wire. Copper in itself is also resistant to corrosion. This helps
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Workers trapped after Chilean Copper Mine Collapse Francine Dowdy BCOM Aug 14‚ 2014 Feinaldo Fernandez Workers trapped after Chilean Copper Mine Collapse October 13‚ 2010‚ thirty three miners who were trapped underground for more than two months were rescued after a rescue team success that impressed the world. After about 22 hours the miners had to travel through a narrow shaft that was designed for the rescue. The miners hoped to sell their story and file a lawsuit against the mining company
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Affecting the Copper Mining Industry As is demonstrated by the chart below‚ the demand for copper has exceeded the supply brought to market since 2009. In 2011‚ 16.5 million tonnes of copper were produced worldwide and this amount is expected to grow by approximately 3% annually. Data from the International Copper Study Group (ICSG) for 2012 suggests that international demand for refined copper is expected to exceed production by about 240‚000 metric tons. The slow growth forecasted in copper supply is
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Floyd Askew 3/19/13 CHEM 1211L Lab Report Introduction The purpose of this lab is to use volumetric analysis to determine the concentration of unknown substances. A sodium hydroxide solution is standardized to assist in finding the concentration of an acetic acid. An indicator must be used to pin point the equivalence point‚ the point in which 1 mole of a substance is equal to 1 mole of another. When that is found‚ we can determine the concentration. HC2H3O2 (aq) + NaOH (aq)
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Abstract Chemically active extraction was used to separate two unknown compounds from each other and to determine what compound class each compound belongs. The solid unknown was purified by recrystallization and its melting point range was determined to be 109-111°C. The liquid unknown was purified by simple distillation and its boiling point was determined to be 95°C. An IR spectrum was collected for each of the purified compounds; the solid was determined to be 3-toluic acid and the liquid was
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STUDENT ID : NO OF EXPERIMENT : TITLE OF EXPERIMENT : PREPARATION OF BIS(ACETYLACETONATO)COPPER(II) DATE OF EXPERIMENT : PRACTICAL GROUP : LECTURER : Objective: To synthesize the bis(acetylacetonato) copper(II) To identify the nature of ligand. Introduction: Bis(acetylacetonato) copper(II) is a complex ion with copper ion in the centre surrounded by other molecules or ions weakly or more strongly bonded to it. The surrounded
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Empirical Formula of Silver Oxide Purpose: To find the percent composition and empirical formula of silver oxide can then be calculated‚ based on combining the ratios of silver and oxygen in the reaction. Hypothesis: Silver oxide decomposes to silver metal and oxygen when strongly heated. Heating Silver oxide causes the oxygen to be driven off‚ leaving only the silver metal behind. The total mass of the products of a chemical reaction must equal the mass of the reactants. Mass of silver oxide = Mass of
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Silver Wheaton (SLW) The precious metal sector has been in trouble since the last one year. Although the downtrend is continuing since a very long time‚ the new lows that silver price has made this year are not found anywhere else on the five year chart. It was only during the 2 years after the 2008 crisis when silver last achieved these levels. We can clearly see that like many companies whose fortunes are tied to a particular metal‚ Silver Wheaton’s stock price generally follows the price of
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Walter de la Mare (1873 – 1956) Silver Slowly‚ silently‚ now the moon Walks the night in her silver shoon; This way‚ and that‚ she peers‚ and sees Silver fruit upon silver trees; One by one the casements catch Her beams beneath the silvery thatch; Couched in his kennel‚ like a log‚ With paws of silver sleeps the dog; From their shadowy cote the white breasts peep Of doves in silver feathered sleep A harvest mouse goes scampering by‚ With silver claws‚ and silver eye; And moveless fish in
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Copper vs. fiber Everyone building a network must face this question at some point: fiber or copper wiring? For a usual home network or even a big office either one will suffice but what is the best option for you or your company. You have to take cost‚ distance of cabling‚ and bandwidth and speed into consideration when making this choice. Copper: a traditional copper wiring for a network certainly seems much cheaper on the surface. Copper wiring itself is dirt cheap at least comparatively
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