© Drs. XO‚ PHB‚ CWR Crystal & Ligand Field Theory (10.2.1‚ 10.3) CHEM 241 Fall 2014 TM − p.1 Ligand field theory (the MO version of crystal field theory) includes two main components: 1. What holds the complexes together: The set of ligands are held to a metal ion by largely electrostatic forces (although there really is a high degree of covalency). The forces arise from the positive charge on the metal ion and the electric dipoles of the ligands‚ whose negative ends are associated
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Lake Tahoe‚ California The day begins bright and early. The sounds of the birds chirping‚ mixing with the warm glow of the sun shining through my tent‚ act as my alarm clock for the day. As I exit the tent‚ I inhale a deep breath of the crisp mountain air. It feels cool and fresh in my lungs. The campground is packed full of random campers from all across California and Nevada. This is defiantly the busiest time of the year for Lake Tahoe Valley Camping Resort. Being so close to the big blue lake
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FAILED PRODUCT REPORT ’’ Crystal Pepsi Prepared by Yeo & Ong March 5‚ 2009 There was a marketing fad in early 1990s equating clarity with purity. Just to name a few‚ Miller Brewing Co. came up with Miller Clear(March 1993)‚ Coors Brewing Co. came up with Zima Clearmalt (1992)‚ Procter & Gamble came up with Ivory clear liquid hand cleanser and Colgate-Palmolive came up with Clear Sparkling fresh dishwashing liquid. Last but not least‚ PepsiCo came up with Crystal Pepsi in April 1992. Company
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seeding during ultrasound-enhanced deracemization. We theorized that by introducing larger seed crystals to the system after the establishment of the monodispersed sized crystals (~2 hours)‚ we would broaden the crystal size distribution and thus allow the deracemization process to resume. To test this idea we performed seeded experiments using ultrasound‚ in which we introduced 2.5 g of large seed crystals (~200 µm‚ e_0= 40%) after sampling of the 2nd hour. Obviously‚ the addition of extra mass of
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One of the best green structures in the world is the Crystal Palace located in Hyde Park‚ London. It is a very historical structure designed by an English gardener also an architect named Joseph Paxton. It is said to be an exhibition hall composed of huge glasses and metals which housed the Great Exhibition of 1851. Its design is based on multi-faced urban life and it has a crystal shape which represents challenges and complexities. Crystal palace has 2‚760m² (29‚709ft²) exhibition space at its center
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Crystal Coast Ocean Resort The Crystal Coast Ocean Resort (CCOR) is a large‚ family-owned resort located on one of the finest beaches in North Carolina. The Resort is locally called the “Ramada Inn: Crystal Coast Ocean Resort”‚ because it has a contractual relationship with Ramada Inn‚ Inc which requires Ramada to provide reservation services and certain marketing services. In turn CCOR pays an annual fee to Ramada and displays the Ramada Inn sign. Ramada has the right‚ under contract
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As stated in the article‚ “2b or Not 2b” by David Crystal‚ some people believe that texting is not a natural form of communication and that it is wrecking our language. Although some people may agree with this idea‚ studies have challenged this opinion. Rather than fearing the consequences of texting‚ people should embrace this evolution and understand that this new form of communication may actually have benefits on literacy. This author once stated‚ “there is no evidence that texting teaches people
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Will the Crystal Serenity survive or reenact the Titanic? It will face such dangers on its trip. The Crystal Serenity will set sail for the Arctic‚ sailing between the deadly waters of the Northwest Passage and the Bering Strait. Melting ice causes people to fall through thin ice‚ makes the level of passengers’ safety to decrease and causes oil spills‚ pollution and waste. One of the things that melting ice is causing‚ that happens to a lot of people‚ is falling through the ice. According to the
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TECHNOLOGIES BEHIND LIQUID CRYSTAL DISPLAY (LCD) Brief Overview- A thin‚ flat electronic visual display that uses the light modulating properties of liquid crystals is known as a liquid crystal display. Direct light is not emitted by LCDs. Displaced cathode ray tube (CRT) displays of LCDs are used in most applications. Two sheets of polarizing material‚ are used in LCD displays‚ with a liquid crystal solution between them. The crystals align as a result of an electric current‚ so that light
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Of Quartz‚ it’s a Crystal Ritual John Berger (n.d.) once said‚ “That we find a crystal or a poppy beautiful means that we are less alone‚ that we are more deeply inserted into existence than the course of a single life would leave us to believe”. Rituals leave the believer with the undeniable feeling that they are not alone in this world. The act of cleansing and charging crystals is no different. Straightaway‚ when one thinks of crystals they imagine a hippie living in Sedona trying to peddle their
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