Rocks containing copper compounds (such as copper carbonate) are called ‘copper ore’. Copper is extracted from copper ore by a series of chemical‚ physical‚ and electrochemical processes. Ores can be classed as ‘high grade’ or ‘low grade’ depending on the percentage of copper compounds (e.g. copper carbonate) they contain. After mining‚ the ore is crushed‚ roasted‚ smelted and then electrolysed to extract the copper. Suggested Equipment Boiling tube Samples of different carbonate ores‚ containing
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3: Variables Independent variable: The methods of removing lead nitrate (Pb(NO3)2) from water. There are various ways to remove lead dissolved into water. Many of them are expensive and/or very industrial. Due to my circumstances‚ I chose five that were somewhat doable. The five methods are coagulation‚ carbon filtering‚ reverse osmosis‚ ground coffee filtering‚ and distillation. Coagulation was done by using a flocculant (aluminum sulfate) that clump small‚ destabilized particles together so that
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SILVER By: Wahida Gh-Sakhi What is Silver? Silver is a chemical element with the chemical symbol Ag and atomic number 47. A soft‚ white‚ lustrous transition metal‚ it possesses the highest electrical conductivity of any element and the highest thermal conductivity of any metal. Element Symbol • Ag • Silver‚ Symbol Element Name • Silver Atomic Mass • The atomic mass is 107.8682 Atomic Number • The atomic number is 47 Bohr-Rutherford Diagram The Story of its Discovery Unknown since prehistoric
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Silver DBQ Essay The global flow of silver from the mid-sixteenth century to the early eighteenth century had vast effects both socially and economically around the world. By this time an interregional trade network had been clearly established and world trade was booming. When China‚ a prominent trade nation‚ accepted silver as its currency and would only exchange for it‚ the importance of silver increased. This new rapid scramble for silver proved to be both beneficial and disastrous. While
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beginning of a widespread silver mining in Japan had a major impact on silver production‚ greatly increasing it. However‚ this increase in silver supply seemed good to some people‚ but overall caused many problems. Suppliers such as Japan and Spain‚ and receivers such as Ming China‚ seemed to benefit from this rapid increase in silver mining‚ but this increase caused worldwide problems as well. Based on the documents‚ the effects of the increase of the production of silver‚ was beneficial to those
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your weight in gold.” Well how about‚ worth your weight in silver instead? Their once was a time when the world trade depended heavily on silver. Chinese ports would accept nothing but silver‚ and they had the luxury trade goods and commodities that European countries enjoyed and needed. In one fell swoop China had dramatically changed global economies as well as social standards. First we see how the silver coin had an effect on China. Silver became Chinas number one import during the Ming dynasty
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Mining Assignment #4 By Siyuan Wei‚ Yifei Pei‚ Amrita Sur and Clinton Huynh Mineral: Copper Dip: 60 Depth: 650m Location/Terrain: Under River Chosen Mining Method: Sublevel Stoping - Sublevel Stoping is designed for mineral deposits which consists of fairly stable rocks and have a steep dip. - This method is quite commonly used to mine copper at varies sites around Australia. For example‚ Mount Isa‚ Olympic Dam etc… Mining Process - Sublevels are created within the solid
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Tokugawa Japan and Spanish colonial America led the world in silver production from 1500 to 1750. The primary flow of silver was from Japan to China and from the Americas to Europe. The documents explain the negative‚ bias and positive economic effects of the global flow of silver from the mid-sixteenth century to the early eighteenth century. Documents 2‚ 5 and 3 all deal with the negative effects of the silver flow. Antonio Vazquez de Espinosa‚ a Spanish priest‚ states that more than 3‚000
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Silver Ships Facilities Silver Ships is located on 16 acres in Theodore‚ Alabama just South of Mobile on Bellingrath Road. After moving into a 15‚000 square foot building in 1996‚ they soon after expanded a second time. Since then‚ they have added over 12‚000 square feet of additional production space and they have built additional office spaces. All aspects of the vessel construction‚ from the custom design to the final assembly‚ are conducted in an enclosed production facilities and the
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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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