copper (II) sulfate with ammonium peroxodisulfate in the presence of pyridine. This same ability‚ coupled with its strong oxidizing ability allowed for stabilization of the unusual oxidation state of 2+ for silver which was observed by preparing an analogous silver (II) complex by reacting silver (I) nitrate with ammonium peroxodisulfate in the presence of pyridine. IR spectra for the three products were obtained‚ as well as qualitative tests for Product A (K2S2O8) in comparison with H2O2‚ confirm
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THREE CHEERS FOR CLARITA Clarita was eight years old but she was so small for her age that people thought she was no more than five or six. But for all her small size‚ she stood at the head of her class. Her mind was very keen; she was very wide awake. One day she heard her mother and father talking about burglars who been victimizing the neighborhood. The police had been unable to catch them. “I hope they don’t come here‚” her mother said. “I’m terribly afraid of burglars.” “Don’t worry
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The quantitative and qualitative analytical techniques used‚ suggesting improvements for Future investigations D1 Titration: positive aspects of experiment in terms of accuracy -Checking to see if any air bubbles were present and if the burette was leaking before doing the titration. If I did not do this‚ it would alter the end point and hence the titre results. -Recording the volume reading before doing the titration. -Making sure I was
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only the human elements – the skin and hair‚ are painted in the traditional way. It is painted in a matte‚ brushy texture which separates it from the other elements of the painting as it seems three dimensional. The rest are decorated in gold and silver leaf‚ creating a mystical atmosphere due to its glittering and extravagant effects. The clothes of the two figures are decorated with patterns and gold leaf‚ and a bubble of gold leaf is enveloped over them again. The robe in which the male is wearing
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started 13 years ago when Tim took over‚ he wanted to add value to the whole customer experience‚ something he said “that lasts longer than the taste and memory of a delicious candy”. Inside every sweet wrapper he imprinted coins and stamps in gold and silver foil dating back to AD60 – real gems it seems. When asked how he came upon this new business venture his reply was “I blame it on modern technology‚ the internet and even today it continues to support the whole chain; from procurement through to delivery
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determine the husband of Portia‚ the caskets give a concrete representation of the personalities of the characters. The gold casket states‚ “Who chooseth me shall gain what many men / desire” (II.vii.5-6) and states that men most desire aesthetics. The silver inscription delivers‚ “Who chooseth me shall get as much as he / deserves” (II.vii.8-9)‚ which implies that men deserve foolishness in the face of arrogance. Lastly‚ the lead inscription says‚ “Who chooseth me must give and hazard all he / hath” (II
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will be occupied. 12.21 The unit cell for has cubic symmetry with a unit cell edge length of 0.839 nm. If the density of this material is 5.34‚ compute its atomic packaging factor. 12.30 Calculate the number of Frenkel defects per cubic meter in silver chloride at 350C. The energy for defect formation is 1.1 eV‚ while the density of AgCl is 5.50 12.47 The modulus of elasticity for titanium carbide (TiC) having 5 vol% porosity is 310 GPa. (a). Compute the modulus of elasticity for the nonporous
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Parent Brand: Tata Main Product Brand: Tanishq Sub Product Brand: Mia Product Target Segment: The growing‚ affluent and lifestyle conscious segment of women who use branded jewelry in their daily life. Why this segment?? * Women are increasingly the decision makers for their purchases of gold jewelry * Jewelry collection for everyday use‚ if high on design quotient‚ light in weight and affordably priced can attract the working women Driving Reason for new product: * Purchase
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spiritual ones in it. In the first stanza the mirror says that "I am silver and exact"‚ "Whatever I see I swallow immediately / Just as it is". One of the interesting things here is that the mirror is admiring itself‚ praising itself‚ and reflecting itself. The mirror is its own mirror. The second stanza sees a change in the mirror. "I am now a lake". The differences between a lake and a mirror are important here. The lake is not "silver and exact" like a mirror but it has more depth. A woman bends over
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hunting. Especially silver and gold‚ which were discovered a long time ago and used by people back then. So basically‚ gold‚ silver‚ iron and copper were the oldest metals discovered around 6000 BC. The growth of metals continued as the time passed and now in the 20th century there are so many metals with so many useful uses for us. There are many uses of metals‚ as I mentioned above that metals were used as weapons and tools back in the olden days. Metals such as gold‚ silver and platinum are also
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