such as gold and silver. Silver Exchange Traded Funds (ETFs) are traded in the stock market providing a non traditional investor of silver an easy way to gain exposure without having to purchase bullions of the commodity. The first silver ETF arrived on the scene in 2006—in the form of the iShares Silver Trust‚ managed by Barclays Global Investors. Today‚ the ETF has over $13 billion in assets and has returned 25.17% in average annualized returns since inception. Not only iShare Silver Trust‚ the spot
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In the early modern period‚ silver became the currency of the world. Never before had any good been so zealously sought after or acquired. Not even the grand spice trade routes over Asia could compare with the enormous scale and complexity the discovery of deposits of silver in Spanish America and Japan brought to global commerce. The silver trade initially brought extravagant‚ even opulent‚ wealth to Europe‚ China‚ Japan‚ and the traders in these nations‚ but in the end resulted in one of the most
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The Effect of pH Level of a Liquid on the Rate of Corrosion of Copper wire In this experiment‚ I will be testing the corrosion rate of copper wire after leaving them in different liquids with different pH levels. By doing so I will be able to determine which pH level corrodes copper the fastest. I will conduct this experiment by pouring 250mL of different liquids with different pH levels in cups‚ followed by an iron strip placed into the cup. A stopwatch will be timing how long it takes the iron
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Silver Iodide By: Paul Gilmore III Table of Contents I. Introduction II. Properties III. Cloud Seeding IV. Photography V. Toxicity VI. Conclusion VII. Works Cited Paul Gilmore III 15 April 2013 Ms. Placke 4th Period I. Introduction Silver Iodide is an inorganic compound represented by the formula AgI that is used in cloud seeding‚ photography‚ and can also be used as an antiseptic. These are the three main ways the compound
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the mid sixteenth century a silver mine located at Potosi‚ South America was formed. This silver mine was one of the few major silver mines in the world‚ the others located in Northern Central America and Southern Japan. This certain mine was known for its distinctive rich black flint. Extensive excavation required more than three-thousand Indians to work away with picks and hammers to break up the ore and bring it up to the surface. Just after refining the ore‚ the silver is shipped to Spain then from
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rise in silver production was beneficial to the middle-men who made the trade possible‚ but eventually weakened the states that supplied and likewise received silver. It was fairly common believe in China that with arrival of large amounts of silver would bring prosperity; but with such an extreme amount of this precious metal coming into one are caused problems. The Ming Dynasty declared that all taxes must be payed in silver. This created great disruption in the economy since silver coins were
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A Sequence of Chemical Reactions: Transforming Copper Briefly describe. a) Why must you carry out the oxidation of Cu with HNO3 in a fume hood? Concentrated nitric acid is a toxic oxidant. Avoiding skin contact or inhalation is highly important. The reaction between Cu and HNO3 produces NO2‚ a toxic brown gas; therefore working under the fume is necessary in order to prevent inhaling the toxic gas. b) Why you should be particularly careful when you work with 3 M H2SO4 solution? Sulfuric acid
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heat CuO + H2O 4) CuO + H2SO4 Cu2+(aq) + SO42-(aq) + H2O 5) Cu2+(aq) + Zn Cu + Zn2+(aq) Stage 1- Dissolution of Copper Mass of vial & copper = 3.537g Mass of vial = 2.505g Mass of Copper = 1.032g Moles of copper = mass (g) ÷ (63.5g/mol) = 0.0162 mol (3s.f) Copper description: Initially‚ the copper was a solid that was cut into thin strips. It had a shiny/metallic and opaque look‚ with an orange colour. HNO3 description: The nitric
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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 Donkey‚ a tale of a young English soldier who fled the chaos of the first world war to be founded by two French sister‚ Marcelle and Coco. Lieutenant Shepard is temporarily blind and has walked away from the war as he found it too hard to bear. The two sisters hide and feed the soldier and in return of their kindness‚ he tells the sister marvellous tales‚ each story connected to the keepsake he carries in his pocket: a perfect tiny silver donkey. The lieutenant‚ himself longs to cross
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