Abstract If any single animal could be said to represent of the state of Texas‚ that animal could only be the iconic Texas Longhorn. Saved from the brink of extinction‚ this hardy and resilient symbol of Texas‚ is a uniquely American breed of cattle‚ easily recognizable worldwide because of the prodigious horn length of the breed‚ used by the males to protect the herd. Left alone in the wild‚ the Texas Longhorn can live for twenty years or more‚ although if domesticated and raised for meat‚ that
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soluble‚ making it possible to turn it into a precipitate. A precipitate reaction can be done using silver to isolate the specific ion. Ag+(aq) + Cl-(aq) --> AgCl(s) Despite AgCl(s) being highly insoluble‚ some of the substance will still dissolve. This dissolved portion can be calculated. AgCl(s) => Ag+(aq) + Cl-(aq) Ksp = [Ag+(aq)]·[Cl-(aq)] = 1.6 x 10-10 Since Ksp is so small the dissolved are to be considered negligible. Both ions will precipitate out very
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Experiment 4 Guide Questions for Discussion Iron-Silver Equilibrium 1. Give the balanced net ionic equation for the reaction between Fe2+ and Ag+. What is the chemical formula of the gray precipitate? Answer: Fe2+(aq) + Ag+ (aq) Fe3+(aq) + Ag (s) The formula of the precipitate is Ag(s). 2. Give the balanced net ionic equation for the reaction of Fe2+ with Fe(CN)63-. a. What is the chemical formula of the Prussian blue precipitate? b. How does
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INTRODUCTION COSMETICS What is a cosmetic? The literal meaning of cosmetics as defined by The Oxford English Dictionary is “Having power to adorn‚ embellish or beautify (esp. the complexion)”. What we learn from this definition is that: cosmetics are superficial rather than therapeutic agents. Their work is to beautify‚ promote attractiveness‚ cleanse‚ or alter the appearance without affecting the body’s structure. Cosmetics include a huge range of products such as Lotions Skin creams Face
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Gorbachev and his supporters into beginning the demolition process that would set Eastern Europeans free. Reagan uses rhetoric to in influence thoughts of his target audience‚ Mr. Gorbachev and the Soviets. He begins by formally addressing “Chancellor Kohl”‚ “Governing Mayor Diepgen”‚ and the “ladies and gentlemen” listening to his speech. This accommodates the audience and makes the listener believe that Reagan is a noble man. Reagan continues on to say‚ “Twenty-four years ago‚ President John F. Kennedy
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it has resulted in the color change of extract from transparent pale yellow to orange reddish colored solution due to the reduction of Ag+ ion by aqueous coconut gum to Ag. Coconut with gum‚ aqueous extract of coconut gum and Ag Nanoparticles were shown in Fig.1 & 2. Fig.1 Coconut with gum Fig.2 Coconut gum extract & Ag Nps Formation of Ag nanoparticles was confirmed and characterized by various techniques as mentioned
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67% silver‚ 27% tin‚ 5% copper‚ 1% zinc – overcame expansion problems History • 1960’s – conventional low-copper lathe-cut alloys • smaller particles – first generation high-copper alloys • Dispersalloy (Caulk) – admixture of spherical Ag-Cu eutectic particles with conventional lathe-cut – eliminated gamma-2 phase Classification According to content – Silver amalgam: Silver more than 65% – Copper amalgam: 70% Hg and 30% Cu According to presence or absence of Zn Zinc containing
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Siemens AG Financial Analysis Capital Structure and current financial situation 12/5/2012 Andon Pavlov‚ 296181 Company Review Siemens AG is a German multinational engineering and electronics conglomerate company headquartered in Munich‚ Germany. It is the largest Europe-based electronics and electrical engineering company. Siemens’ principal activities are in the fields of industry‚ energy‚ transportation and healthcare. It is organized into five main divisions: Industry‚ Energy‚ Healthcare
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Frankfurt and Stuttgart (stock exchange symbol DAI). In 2013‚ the Group sold 2.3 million vehicles and employed a workforce of 275‚000 people; revenue totaled €118 billion and EBIT amounted to €10.8 billion.” (DAIMLER) The share capital of Daimler AG amounts to approximately €3‚063
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