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Copper pipe
1 pages (250 words)
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...copper instead of using inch Advantages of using 0.5 inches copper instead of using inch Using 0.5 inches in a solar collector is more advantageous than using 1 inch copper because it increases solar radiation absorption and decreases emissions. The tubes are charged by Schrader valve 58, which has Freon refrigerant. The system easily embodies the outer heat conductance efficiency of heat collectors. In addition, using 0.5 inch copper has the advantage of passive collector system hence there is no need of electric power controls and pumps (Fred, 2010). In addition, it is easy to maintain and operate the system. Unlike solar collector that uses 1 inch copper, the one... Advantages of using 0.5 inches...
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Rosemont copper paper
3 pages (750 words)
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...Copper Company Rosemont Copper company is an Arizona based mining company whose main focus is mining copper. The company has a rich history in the mining sector. The controversial issue that surrounds the company at the moment regards the open-pit mining project whose site is south of Tucson in the Santa Rita Mountains. The name of the specific area is Helveita mining district. The vast reserves of copper in the area were discovered by two entrepreneurs in 1875. The first mining companies to explore the area were Omega Copper Company and Columbia Mining & Smelting Company (USDA Forest... Insert The Open-Pit Mine Project of Rosemont Copper ...
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History Of Copper
1 pages (250 words)
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...copper By Copper has a symbol Cu .It comes from the word cuprum which is a Latin word meaning’ from the island of Cyprus.it is man oldest metal discovered like 10,000 years an ago. A copper pendent was found in what is called now northern Iraq which is dated to about 8,700 B.C.it is said copper mining started in the Iran highlands and Middle East. From 4500 BC copper smelting sites started at places around Jordan, Egypt and Israel. By 3000BC development of copper alloys started. Examples of the earliest alloys of copper were arsenic and tin. These two alloys enabled the discovery of bronze which was easier to chuck. The alloys were harder, making alloys to be extra useful and by 2500 BC... History of...
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Chilean Copper Mine Collapse
2 pages (500 words)
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...copper min collapse. Metal Bulletin Daily, 224, 65.... Two Communication Pieces Two Communication Pieces Communication One: For the Families TO BE DELIVERED FACE-TO-FACE WITH THE FAMILY MEMBERS Words cannot express that sadness and regret we feel for the terrible accident that has resulted in your loved ones being trapped in our mine. We take the safety and healthy of each of our employees very seriously and pledge to you that we are doing everything within our power to rescue each and every one of the affected miners as quickly and expeditiously as possible. While we will certainly be focusing in this days to come on what happened, and how to prevent it from happening again in the future, our sole f...
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Chile and copper mining
4 pages (1000 words)
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...Copper Mining Introduction Chile has recently been on the headlines due to its copper mining disaster. This disaster has brought this country to the spotlight – highlighting its history and its economic status amidst the current global economic crisis. This paper shall discuss Chile as a country and its copper mining industry. This paper is being undertaken in the hope of gaining a comprehensive and academic understanding of Chile as a state. Discussion Chile is located in South America and is one of the continent’s most prosperous countries1. Throughout the years, it has not encountered much social unrest except for the bloody coup seen in 1973 under the reign of dictator Augusto... Chile and...
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The world price of copper
5 pages (1250 words)
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...Copper Number: ial Time: This report aims to address the following Use economic analysis to explain the changes seen in the price of copper over this period; and (2) Explain why there were such large fluctuations in price as seen in the graph. Table of Contents Abstract 2 World Price of Copper 4 Reference List 9 The World Price of Copper The development of copper metallurgy has been one of the most significant breakthroughs in the history of human life (Joseph and Kundig, 2001, p. 1). It has been viewed by early settlers as of equal importance with the discovery of fire and has contributed greatly to the historical, cultural, and economic development of early civilizations... ?The World Price of Copper...
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Chemistry Practical Assignment - Copper carbonate
4 pages (1000 words)
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...Copper carbonate if heated will produce gas and by measuring the volume of gas, we can experimentally establish the correctness of both the equations provided to us. The important thing for finding the correct equation is that the volume of one mole of gas at NTP is 22.4 liter and using this equation we can back calculate the mole or mass of carbon dioxide formed from the copper carbonate used for the experiment (Determining the Correct Equation for the Decomposition of Copper Carbonate, 2003) and hence find out the correctness of the eauation provided. Equipment and Apparatus required for conducting the experiment: The following apparatuses... are required to conduct the experiment...
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Over 30 Workers Trapped After Chilean Copper Mine Collapse
4 pages (1000 words)
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...Copper Mine Collapse When it comes to dealing with many people, in an audience, it is extremely crucial to figure out what is going to be said to them and how it shall be done. It is also necessary to know how much shall be said to them. Sometimes the audience may be willing to hear all the information but lacking the capacity to handle the magnitude of the information, (O’Rourke, 2010). This is because the information may be carrying a weighty message to the audience. Therefore, it becomes exceedingly important to prepare the audience mentally and send the sensitive information with a lot of caution. Information is powerful. It can have devastating effects if it is not handled... were...
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Over 30 workers Trapped After Chilean Copper Mine Collapse
4 pages (1000 words)
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...COPPER MINE COLLAPSE According to Whelchel and Dauble, Chile, mine collapse that happened on 5 August 2010 trapped over thirty workers inside the mine (2011). The workers in Chile were working at the gold and copper San Esteban mines, near Copiapo city when the mine collapsed. The mine was about 300meteres deep from the ground surface. As the excavation process continued to rescue the trapped workers, another collapse happened two days later hence, halting the rescue process. Therefore, the process became more challenging and the government of Chile had to be very careful on the information communicated from the collapsed San Esteban mine. The rescue team had to drill... ? WORKERS TRAPPED AFTER CHILEAN...
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Copper Price Rises in UK after Chile Strike
9 pages (2250 words)
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...copper, then the increase of wages. If we are to analyze, if you have the majority of the shares, then you are considered as one if not the pillar of a certain company. However, we cannot discredit the fact that workers are also considered as pillar of the company which is infact they are considered as the workhorse and the frontline in making money. In the case of Escondida, BHP Hilton, has the share above anyone else that is why BHP Biliton can be considered as the main stakeholder in the said mining activity. To further understand... Considering the fact that BHP Biliton is the majority owner of the said mining (Escondida) firm, and the workers are demanding for high income due torise of prices of...
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The Open-Pit Mine Project of Rosemont Copper Company
4 pages (1000 words)
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...Copper Company Rosemont Copper company isan Arizona based mining company whose main focus is mining copper. The company has a rich history in the mining sector. The controversial issue that surrounds the company at the moment regards the open-pit mining project whose site is south of Tucson in the Santa Rita Mountains. The name of the specific area is Helveita mining district. The vast reserves of copper in the area were discovered by two entrepreneurs in 1875. The first mining companies to explore the area were Omega Copper Company and Columbia Mining & Smelting Company (USDA Forest Service 7). However, the area came to a shut-down after the mine... ?(Insert The Open-Pit Mine Project of Rosemont Copper...
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Anti-copper Therapy among Pregnant Women Can Lower the Risk of Wilsons Disease in Their Children
3 pages (750 words)
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...copper Therapy among Pregnant Women Can Lower the Risk of Wilson’s disease in Their Children Unborn children are vulnerable to their mother’s health condition, the medical intervention using anti-copper therapy, especially to expectant women, can reduce the probability and risk of transmitting Wilson disease to the fetus. Despite the rare cases of Wilson disease, they are a number of children being diagnosed with the infections. It is a recessive and it as a result of copper toxicity. It affects the brain, liver and also it creates substantial effects on the excretory system. It leads to accumulation of copper in the body due to the failure of binary excretion (Walshe, 124). Therefore... , the...
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Anti-copper Therapy among Pregnant WomenCan Lower the Risk of Wilsons Disease in Their Children
9 pages (2250 words)
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...copper Therapy among Pregnant Women Can Lower the Risk of Wilson’s Disease in Their Children A Hypothesis Since the unborn children are vulnerable to their mother’s health condition, the medical intervention using anti-copper therapy, especially to expectant women, can reduce the probability and risk of transmitting Wilson disease to the foetus. Introduction Despite the rare cases of Wilson disease, there are quite a substantial number of children being diagnosed with the infections. This autosomal disease is really recessive and it is a consequence of copper toxicity, basically affecting the liver and brain. As a result of ATP7B gene mutations, it creates substantial effects... on the...
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Does the amout of Solution effect the Crystalization of Copper Sulfate
5 pages (1250 words)
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...Copper Sulfate? The purpose of this investigation is to determine how concentration affect rate of crystallization of copper Sulfate. The variable in these experiment include; strength or concentration of copper sulfate which is an independent variable, rate of crystallization in a certain period of time which is a dependent variable, temperature as controlled variable and the size of containers and the volume of solution as constants. The hypothesis to verified in this experiment can be stated as; Increase in concentration result in increase in the rate crystallization In this experiment, copper sulfate solutions with varying concentration... ? Does Concentration affect the Rate of Crystallization of...
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COPPER ORE CONCENTRATE SITE OPERATIONAL AND LOGISTICS RISK ASSESSMENT - (DESK BASED REVIEW)
25 pages (6250 words)
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...Copper Concentrate Storage & Load-Out Facility Risk Review - British Colombia 1. Introduction – General Information TCM (Thompson Creek Metal) is a developing, diversified North American mining company. It is operating in the Mt. Milligan copper and gold mining facility, which is located in BERG, British Columbia. It is under construction and development phase. It is situated nearly 90 miles northwest of Prince George in central British Columbia, Canada. The 1st phase of the concentrator started on August 15, 2013. The very next month, in September 2013 it entered into the production of copper-gold concentrate, leading to the first truckload... ? Table of Contents Introduction – General...
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COPPER ORE CONCENTRATE SITE OPERATIONAL AND LOGISTICS RISK ASSESSMENT - (DESK BASED REVIEW)
25 pages (6250 words)
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...Copper Concentrate Storage & Load-Out Facility Risk Review - British Colombia 1. Introduction – General Information TCM (Thompson Creek Metal) is a developing, diversified North American mining company. It is operating in the Mt. Milligan copper and gold mining facility, which is located in BERG, British Columbia. It is under construction and development phase. It is situated nearly 90 miles northwest of Prince George in central British Columbia, Canada. The 1st phase of the concentrator started on August 15, 2013. The very next month, in September 2013 it entered into the production of copper-gold concentrate, leading to the first truckload... Table of Contents Introduction – General...
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Terminating Fiber Optic Cable Using a Polish Method ,Testing Wired Media Both Copper and Fiber
2 pages (500 words)
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...Copper and Fiber Terminating Fiber Optic Cable Using a Polish Method For termination of fiber optic a connection must be provided to a device, for instance to a wall outlet or other equipment that will allow for connecting the cable to other additional cables or systems/devices. Additionally, the basis of fiber optic termination is to generally assist fiber cross-connection and light wave signal’s supply. In addition, suitable fiber optic termination will protect the fibers from dirt or damage as it is used to avoid extreme loss of light, thus, it makes a network more reliable to implement more smoothly as well... it vertical to the polishing surface. Now at this time we will place a sheet...
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Post-laboratory Assignment
2 pages (500 words)
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...Copper (II) nitrate from copper Molecular Cu(s) + 2HNO3 (aq)= Cu (NO3)2(aq) + H2 (g) Ionic Cu(s) + 2H+ (aq) = Cu+ (aq) + H2 (g) Step 2: Copper (II) hydroxide from copper (II) nitrate Molecular Cu (NO3)2(aq) + 2 NaOH (aq) = Cu (OH) 2(s) + 2NaNO3 (aq) Ionic Cu²⁺ (aq) + 2OH⁻ (aq) = Cu (OH) ₂(s) Step 3: Copper (II) oxide from copper (II) hydroxide Molecular Cu (OH) 2 (s) = CuO (s) + H2O (l) Ionic Cu (OH) 2 (s) = CuO (s) + H2O (l) Step 4: Copper (II) sulfate from copper (II) oxide Molecular CuO (s) + H2SO4 (aq) = CuSO4 (aq) + H2O...
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Chimestry
2 pages (500 words)
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...copper, were compared. This involved comparing the conductivity of both iron and copper, Hardiness, and brittleness. The observations were made and recorded. In testing for conductivity, the metals were heated and time taken to heat up observed. In comparing for brittleness, the wires of the respective metals wire bent and the number of times the wire was bent before breaking observed. Data and Observations Conductivity After heating copper and iron to test... September 8, Metals and Corrosion Experiment Introduction A metal is defined as substance containing high electrical conductance, which has luster and is malleable. Metals loose electrons forming positive ions known as cations. There are various...
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Questionaire
1 pages (250 words)
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...copper industry has been affected by challenges such as logistic issues,poor transport and depleting natural resource. The questionnaire was aimed at evaluating the responses from five workers from different companies on issues regarding the activities conducted in the company. Profitability of the company and challenges facing the company were also discussed. It is evident that all the company interviewed meets their objectives in mining and generates high returns from its activities. Some of the respondents identified weather condition and competitiveness in the market, logistic issues, communication, price fluctuations, and worker strikes as some of the challenges... Topic: Questionnaire The global...
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You are required to present an assignment which addresses and discusses the following issues:
6 pages (1500 words)
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...Copper is a substance that gives a measure of the world’s economy. The global price virtually trebled between the beginning of 2005 and the 2008 summer prior to their fall to $ 3000 in the 2008’s autumn (Geoff, 2012: 3). There has been an apparent price recovery and thus prices of copper are currently more than that of 2007-2008. During their climax, copper was very costly in the global markets to an extent some coins made of copper were more worth than their face value. The following discussion will address the trends in the global markets of copper, their distribution and demand and ways in which the government can influence the price, demand and supply... MACRO AND MICRO ECONOMICS of Introduction...
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MACRO AND MICRO ECONOMICS
4 pages (1000 words)
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...Copper is a substance that gives a measure of the world’s economy. The global price virtually trebled between the beginning of 2005 and the 2008 summer prior to their fall to $ 3000 in the 2008’s autumn (Geoff, 2012: 3). There has been an apparent price recovery and thus prices of copper are currently more than that of 2007-2008. During their climax, copper was very costly in the global markets to an extent some coins made of copper were more worth than their face value. The following discussion will address the trends in the global markets of copper, their distribution and demand and ways in which the government can influence the price, demand and supply... ?MACRO AND MICRO ECONOMICS of Introduction...
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Mining Investement Analysis
15 pages (3750 words)
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...copper production, two metrics are used, ly mine production and refinedcopper production i. According to ICSG Copper Market Forecast 2012-2013, the amount of refined copper production in the world is projected to increase by 2.5% reaching 20.15 mmt in 2012. There are two types of copper mine production and they include surface mines and underground mines. Over the past 40 years, the proportions of these types of mine production have changed significantly. Copper mine production all over the world has increased significantly over the past 40 yeas and more so over the last decade. The proportion of world copper production has registered a massive... Mining Investment Question a. When referring to global...
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Balance lab
1 pages (250 words)
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...copper slug changing the quantity... Measuring Mass using a Centigram and an Electronic Balance Introduction: The object of this experiment is to compare the results obtained using two different equipments and methods of mass measurement in Model ChemLab. The mass measurement instruments that are to be compared in this experiment are: Centigram Balance Electronic Balance The two techniques to be used in mass measurement are: Weighing directly Weighing by difference Procedure: The experiment is divided into four parts: Part 1: Measuring mass directly using a centigram balance 1) Select centigram balance from equipment selection in the toolbar. 2) Right click on the balance and from chemicals select co...
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ECONOMICS FOR MANAGERS
6 pages (1500 words)
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...copper. Firstly the paper intends to elaborate on the factors that affect the demand, supply and price of copper and results to fluctuations. Copper is an important material that influences the economy to a considerable extent and has a positive as well as negative impact. Price of copper and its fluctuations in the business of a nation affects the economy considerably. In this context, it is observed that in the month of August and Dumber 2008... Economics for Managers Table of Contents Part B 3 Introduction 3 Demand Factors 3 Supply Factors 4 Price Factor 5 Critical Analysis 6 Conclusion 8 References 9 Bibliography 11 Part B Introduction This essay intends to evaluate the demand and supply aspects of c...
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Which equation is correct
3 pages (750 words)
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...Copper Carbonate Introduction Copper carbonate also known as Cupric Carbonate CuCO3, is a bright bluish to green colored compound. In nature it occurs as Malachite or CuCO3.Cu(OH)2, which is an important mineral source for copper (Lee 1996, p. 817). When copper is left in moist air, it reacts with water and carbon dioxide to form a green patina, which is nothing but basic copper carbonate or CuCO3.Cu(OH) 2 (Marterson and Hurley 2004, p. 498). It is known to decompose on heating leaving a black solid residue and releasing a gas. The metal carbonates are known to decompose into metal oxide and carbon dioxide gas. Because, copper has two oxides Copper (I) oxide Cu2O and Copper... Thermal Decomposition of...
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Metals and corronslon
2 pages (500 words)
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...copper, iron and brass to resist corrosion was investigated in this experiment. Experimental Each of the following properties of the iron, brass and copper were determined and comparison made across all the metals. Conductivity The three metals were heated at the same heat rate. The time taken for heat to move from one end to the other was determined and recoded. Brittleness Wires made from copper, brass and iron were bent... September 8, Metals and Corrosion Experiment Introduction Corrosion is as a result of presence of Iron II Oxide. Iron II oxide is formed as a result of oxidation of Iron III Oxide in the presence of Oxygen and moisture. These results in a yellow paste referred to a rust. The...
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Product development and diversification on xstrata
1 pages (250 words)
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...copper per year with significant by-products such as gold, molybdenum and silver since 2010. Coking coal product of Xstrata is another landmark of the company. Ferrochrome and Vanadium are other products of Xstrata for the last three years. The Xstrata Plc. also mines platinum group metals such as platinum, Palladium, Rhodium for the last three years. Xstrata Plc. also mines the Zinc, Nickel... , and Copper. Mined Copper and Zinc are the hallmark products of Xstrata, because copper demand has increased for the last many years. Copper is the base element for the equipment manufacturing. Xstrata also produces the Alloys such as...
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Rocks and Minerals
2 pages (500 words)
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...Copper Mineral Ore Most of the copper ore minerals are created by weathering and is mined as mineral chalcopyrite (CuFeS2). Chalcopyrite is the most abundant mineral ore of copper. When chalcopyrite is extracted for copper, it contains 34.5% by mass copper. Other copper mineral ores can be chalcocite Cu2S, covelite (CuS), bornite (2Cu2S*CuS*FeS), malachite (CuCO3•Cu(OH)2... ), and cuprite (Cu2O). Copper mineral ores is mined for copper. Vast mountain areas are quarried for chalcopyrite, malachite and cuprite. Conglomerate Conglomerate is a large chunk of rock that has different minerals or rock types embedded to it. This is a type of sedimentary rock that...
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Practical 1
1 pages (250 words)
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...copper at the temperature of 500ºC. The results obtained from the experiment give an approximated behavioral pattern of the various cold worked samples of copper. During the process, it was observed that the specimen have increasing roughened surfaces as the degree of rolling is increased. This is due to dislocation pile up at the grain boundaries. The hardness of the sample during cold rolling increases with increase in reduction in the cross-sectional area or degree of deformation. This is attributed to strain hardening. The maximum value of hardness was obtained at 70% reduction in area. (a) What property must be exceeded for rolling... Annealing This process was performed on test pieces of copper...
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Experiment 8 formal report
5 pages (1250 words)
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...Copper is in a Penny? Instrumental analysis methods like molecular absorption spectrometry find wide application in both qualitative and quantitative analysis. In quantitative analysis, amount of substance under analysis can be obtained from Beer-Lambert law. Spectrometers are useful in facilitating acquisition of relevant statistical data to be used in quantitative analysis. This lab report covers on quantitative analysis of copper in a penny. Conventional quantitative procedures include preparation of reference and sample solutions. A UV-Visible spectrometer will facilitates measurement of the reference and sample solution’s absorbance. Data analysis will involve... determination of...
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Extraction of Metals from their Ores Worksheet
6 pages (1500 words)
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...Copper Chalcopyrite CuFeS2 It is used... Extraction of Metals from their Ores Worksheet The exercise you are going to complete uses a collection of websites, data tables and charts to lead you through key ideas that you need to in order to understand the relationship between reactivity, price and extraction methods of different metals. You will need to use this template to fill in the tables and answer the questions below. You might find the three websites below useful to refer to. However you must not copy and paste from these websites but write the information in your own words. If I suspect that any information has been copied and pasted I will put it through a program called turnitin and you will los...
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Physical Science
1 pages (250 words)
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...copper wires would then run from one satellite to the next. Each of the satellite would then have a long cable connecting it to a ground power station. The cable would be such that it collects or connects the parallel strands of copper wires connecting the two satellites. One of the satellite would act as the negative terminal... Earth’s magnetic fields to produce energy The earth is a large magnet that could be used to produce sufficient energy to power the world. However dueto immense size of the earth, it is difficult to construct a device large enough to circumnavigate its orbit. The proposed energy device would consist of two satellites orbiting the earth at the same height. Parallel strands of copp...
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Switching point for work place - Fluid Power Lab
1 pages (250 words)
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...copper work pieces have switching points and the hysteresis effect is low. Brass has very few points while plastic, cardboard and rubber have no switching points at all on these components. 1S1 and 1S2 show minimal hysteresis effect on brass, and aluminum which increases on mild steel, stainless steel and copper and multiple switching points are recorded. No switching points are recorded on plastic, cardboard and rubber. 1V2, 1V3,1V4 and 1V5 record multiple switching points when tested on mild steel, stainless... Results When testing for switching points for different work pieces, the following results were obtained. On the components OZ1, OZ2, 1V1 and 1A, mild steel, stainless steel, aluminum and...
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History of Amlwch Anglesey
2 pages (500 words)
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...copper mines... Running Head: Constructing Profile Constructing Profile of the of the of the . History of Amlwch Amlwch is a small town situated on the north eastern side of the island of Anglesey off the coast of North Wales. The island of Anglesey connects Amlwch to the Menai Bridge. Tourism is the one of the main industries that supports the economy of the town today. At one point of history this town was an important port. History reveals that Amlwch in the Middle Ages had a harbor that could not be viewed from the sea; this prevented the town from being attacked by the Vikings. The town grew rapidly during the eighteenth century near the Parys Mountain, which was at that time had the biggest copper m...
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Should we mine this Ore
2 pages (500 words)
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...copper from Cu(NO3)2.2.5H2O. The experiment determines whether the ore should be mined or not, depending on the amount of pure copper it has. Atomic Absorption Spectroscopy 3M Sulphuric Acid is used to dissolve this ore to obtain Copper (II) sulfate solution. The CuSO4 solution has the deepest blue color that absorbs more light than a solution of lower concentration, for example, Copper (II) acetate. Atomic Absorption Spectroscopy (AAS) technique is used to determine the absorbance of the solutions. Five standard solutions of Copper (II) sulfate were prepared, and transferred to rectangular cuvettes... Should we Mine this Ore? Aim The main aim of this experiment is to determine the concentration of...
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Metals and corronslon
2 pages (500 words)
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...Copper, and Brass c) To determine the brittleness and hardness of copper, brass, and iron Introduction The aim of this laboratory experiment is to determine the rate of reaction between copper, brass, and iron. The other aim is to determine the conditions necessary for rusting to occur. The process of corrosion requires certain conditions, which must be present. The conditions include oxygen and water. There is also the measurement of rate of electrical conductivity between these metals. The experiment also measures the brittleness of these metals. Materials Boiled... Metals Tittle: Metals Objectives a) To determine conditions necessary for rusting b) To determine electrical conductivity ofIron,...
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Electrochemistry Report
4 pages (1000 words)
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...Copper 3. Chemical equation for the cell: Sn + Cu2+ ->Cu + Sn2+ 4. Voltage observed in the lab: 0.4761V 5. Calculated voltage (show calculation): 0.48V (0.34+0.14) 6. Is reaction spontaneous Yes Procedure 2 1. The Anode: Silver 2. The Cathode: Copper 3. Chemical equation for the cell: 2Ag + Cu2+ -> Cu + 2Ag+ 4. Voltage observed in the lab: -0.4594V 5. Calculated voltage (show calculation): -0.46V (-0.80+0.34) 6. Is reaction spontaneous No Procedure 3 1. The Anode: Zinc 2. The Cathode: Copper 3. Chemical equation for the cell: Zn + Cu2+ -> Cu + Zn2+ 4... Electrochemistry Report Form Procedure 1. The Anode: Tin 2. The Cathode:...
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Thermal Conductivity Report
4 pages (1000 words)
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...copper bar The diameter of copper bar= 25mm=0.025m Area of copper bar perpendicular to heat flow= A= πD2/4=(3.14)(0.025)2/4 = 4.906x10-4m2 The distance between two thermocouples of interest (for copper) =L=50mm=0.05m Volume flow rate=Total water collected/time taken = 98x10-6/120 = 8.16x10-7 m3/s Mass flow rate= density x volume flow rate =1000 x 8.16x10-7 = 8.16x10-4 kg/s Specific heat capacity of water = s = 4.18 KJ/Kg K Temperature at thermocouples 4 and 3 respectively = 168K and 160K Temp difference =∆T=167-160=7K Tout - Tin = 29-22= 7K Thus putting the values in above relation, we get the thermal conductivity of copper K= 0.05 x 8.16x10-4 x 4.18 x 7 = 0.347 KW... Module _______________ ...
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Views on Stealing Africa
2 pages (500 words)
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...copper supply in the world and the related copper mining industry therein. The mine is known as Mopani Copper Mine. The mine is owned by Glencore International Plc, a public company listed in London and Hongkong, registered in Jersey and head... Views on Stealing Africa This is a video or documentary on how multinationals conduct their businesses in the African continent. It shows that despite the many and profitable resources Africa has, it is still wallowing in poverty, poverty imposed by the multinational through underhanded tactics. The video tries to give an insight as to why Africa is rich in resources yet so poor. Specifically this refers to the nation of Zambia which has the third largest copper...
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Mixed metal and mixed ligand for tri-nuclear complexes
1 pages (250 words)
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...Copper(I) and Silver(I) In the coinage metal chemistry, an important role is played by the mixed metal and mixed ligands. It incorporates the coordination of metal ions such as Cu (I), Au (I) and Ag (I). The specific combination leads to the existence of an exo-bidentate mode resulting to the formation of polynuclear complexes. The reaction conditions are great determinants of structures adopted by the coinage metal pyrazolates (Biswas & Ghosh, 2012). They may take the forms ranging from polymers, hexamers, and tetramers to trimers. The current study focuses on spectroscopic and structural cases involving coinage... Mixed Metal and Mixed Ligand for tri-nuclear complexes al Affiliation) A case of...
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Circuit Soldering Assignment
2 pages (500 words)
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...copper surface forming a metal solvent action thereby making the solder to dissolves and infiltrates the prevailing copper surface. This makes the molecules of solder and copper to blend thus forming a new alloy with one part copper and the other solder (Jepson, Tyler & Gregory, pp. 167-189). The process solely occurs when the superficial of copper does not have impurity and corresponding oxide film. Soldering flux and accomplishment of soldering Suitable solder links is accomplished with cleaned surfaces with solvents before soldering process. Fluxes are utilized in overcoming oxide film... Soldering is the process of utilizing a filler material mainly to join pieces of metal together (Jepson, Tyler...
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Immigration Choice
2 pages (500 words)
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...Copper Islands will be a better choice for immigration as it generally entails less risk for the family, gives Mr. Paneo a better chance of preparing his family for the immigration, provides a better... opportunity for employment, and offers a more stable welfare and unemployment program. The choice of the Copper Island represents a more calculated risk for the family. Mr. Paneo, being the head of the family, primarily considers the welfare of his wife and his two children by showing preference to less risky alternatives. Instead of waiting for more than a year before the immigration permit to United Territories is processed and granted, the Paneo family is better off...
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Genetic and Non-genetic diseases of the liver
4 pages (1000 words)
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...copper in the body which are highly raised in the condition (Bearn et al 1961). The gene responsible for the causation of Wilson disease is present on chromosome 13 and it is known as ATP7B. This gene... Genetic and Non-Genetic Diseases of the Liver Alcoholic liver disease is an acquired pathological condition of the liver which occurs due to consumption of alcohol. The pathological condition is major concern in the developed world owing to the increased consumption of alcohol by the people. This condition was alone responsible for the 44 percent of the deaths associated with liver disease occurring in the United States in the year 2003 (McCullough et al 2010). Alcoholic liver disease is a matter of...
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Pre-lab paper
1 pages (250 words)
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...copper (ii) ions disappears. A colorless solution is formed. The formation of the colorless solution was due to the reduction of copper (ii) ions (Cu2+) to copper metal. The results may not be accurate due to partial dissolution and spills of the solution during the experiment. The white precipitate was formed due to formation of the insoluble calcium sulphate. 2 K3PO4 (aq) + 3 CuSO4 (aq) 3 K2SO4 (aq) + Cu3 (PO4)2 (s) The yield can be optimized by; (i) Adding more copper (ii) sulphate solution (ii) Reducing the amount of calcium nitrate solution used. Work Cited Masterton , L., W. Chemistry:...
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Introduction
1 pages (250 words)
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...Copper accumulation is the dominant trait of Aiptasia pallida. They are sensitive towards the relevant copper concentrations. Hence they may be useful in bio-monitoring of copper polluted environments. Hypothesis: ‘The increase or decrease in level of salinity affects photosynthesis responses thus decreases the population of sea anemone Aiptasia pallida, containing zooxanthellae, resulting in increased bleaching.... ?Introduction Coral Reefs: Coral reefs are the most diverse and beautiful of marine habitats and are also known as "Rainforests" of the ocean. The formation of reef structures is aided by algae that are symbiotic with reef-building corals, known as zooxanthellae, Coralline algae, sponges, and ...
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Genetic and Non-genetic diseases of the liver
4 pages (1000 words)
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...copper in the body which are highly raised in the condition (Bearn et al 1961). The gene responsible for the causation of Wilson disease is present on chromosome 13 and it is known as ATP7B. This gene is responsible... Genetic and Non-Genetic Diseases of the Liver Alcoholic liver disease is an acquired pathological condition of the liver which occurs due to consumption of alcohol. The pathological condition is major concern in the developed world owing to the increased consumption of alcohol by the people. This condition was alone responsible for the 44 percent of the deaths associated with liver disease occurring in the United States in the year 2003 (McCullough et al 2010). Alcoholic liver disease is...
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Wall Street Journal Opinion Article
3 pages (750 words)
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...copper products were being sold below $ 3a pound (Ellison 76). This is critical to investors who have engaged in the business as this is termed as spoilt business on their part. This is because they cannot be able to sell their products at high prices thus resulting to losses that lower their GDP in their countries (Ellison 77). This drop in the prices of copper can be attributed to China as it the greatest consumer of this product thus it dictates the prices at the market since it is the sole... Wall Street Journal Opinion Article China is the second largest economy in the world thus competes with the U.S in terms of which country’s currency will gain more popularity as compared to the other. Reports...
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Physical Chemistry Lab Report
7 pages (1750 words)
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...copper and lead metals. In the context of material chemistry, determining the quantitative composition of alloys is significant in evaluating the actual properties of an alloy; hence deducing the most suitable uses of the material in either mechanical or chemical applications. Brass is a widely used alloy comprising mainly of copper and zinc. In an effort to enhance certain properties of the brass alloy, traces of metals like lead are occasionally added. Technically... , incorporation of lead into the brass increases the mechanical properties the alloy. On the other hand, substantial concentration of copper imparts germicidal and antimicrobial properties into the brass alloyi....
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Thin film lab
7 pages (1750 words)
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...Copper Films [You can change the of [Enter Your Name] [Enter University Name] Abstract: A vacuum chamber was used to deposit aluminum and copper, which were evaporated through Joule heating, as thin films on glass sheets. The film growth was analyzed through resistance measurement for after every two seconds. Discussions on the results obtained for growth rate of films indicated by the resistance measurements was made in the light of Van der Pauw’s method for resistance measurement of thin films. Introduction: This experiment involves the usage of a physical vapor deposition technique known as evaporation... ? Evaporation Deposition of Thin Films – An Analysis of Growth Characteristics of Aluminum and...
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