05/09/05 Chem 2130-3 Experiment 3: Synthesis of Co(acac-NO2)3 Introduction In this lab‚ Co(acac·NO2)3 is synthesized using the Co(acac)3 complex produced in Experiment 2. The Co(acac)3 complex is used as a reagent instead of acacH because acacH cannot be directly converted to 3-nitroacetylacetone. Since Co(acac)3 is not stable in HNO3‚ Cu(NO3)2 and acetic anhydride are used in this reaction to produce the final product‚ Co(acac·NO2)3. The exact mechanism of the reaction is
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client. Evolving from its original web platform‚ Tiffany has updated its site with high-resolution images‚ a description of the history of its pieces and collections and gives the option for some pieces to be shown on a model (Figure 13). Tiffany & Co. has taken a large step in immersing its clients into the Tiffany culture by adding the history all around during the shopping experience. Figure 14 shows the current desktop view of one of its collections‚ Tiffany T + Atlas. The digital experience
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Assess the claim that‚ the advantages of AMS outweighs the disadvantages… The additional member system‚ like every other electoral system has both advantages and disadvantages. Which of these outweighs the other remains debatable. The additional member system is described as a type of PR (proportional representation) system where the number of votes is equal to the number of seats gained. The AMS is a hybrid system with two votes and two systems mixed together‚ the first vote being your constituency
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Fiona 1330017006 The advantages and disadvantages of English as a global language English become more and more common in our daily life‚ English movies‚ novels and science papers are a part of our life. At the same time‚ English play an important role in national society. 95 of 126 U.N. member countries use English to communication‚ about a quarter of countries and regions use English as official language or lingua franca. English is becoming to a global language. Everything has two sides‚ and English
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rehabcenter.net - Co-Dependency In An Addictive Relationship When you’re in a relationship with somebody who suffers from an addiction‚ you can feel trapped and helpless. These feelings are even worse if you are in a co-dependent relationship. Relationships of this type are harmful to both the addicted person and their loved one‚ and they often make the addiction even worse. In fact‚ addiction may generate the co-dependent relationship where one didn’t previously exist. However‚ it is possible to
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Advantages and Disadvantages of Oligopoly When the market is dominated by a few suppliers‚ it is termed as oligopoly. It can be observed in the television industry of the United States‚ where the market is governed by a handful of market players. The advantages and disadvantages of this market form can be clearly demarcated. Oligopoly market form exists in the television and media industry‚ health care insurance industry‚ and cellular phone service industry of the United Sates. This is because each
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Advantages and disadvantages of networks I’ll start by saying that setting up a network is a serious job and should be done only by a person that is already familiar with the process of networking. The variety of options for setting up a home network can influence on a decision regarding the equipment needed to be purchase. Before deciding what hardware to buy you must first find out which type of network technology to use (by ’type of network technology ’ I mean the way computers connect to
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Although taboo in Western culture‚ co-sleeping is making a comeback. After the retraction of previous statements against co-sleeping‚ Dr. Richard Ferber‚ child sleep guru‚ has now sided with a family’s decision to share a bed with their infants. Although the American Society of Pediatrics warns that sleeping with your infant can increase the risk of sudden infant death syndrome‚ the exact cause of SIDS is still unknown. The emotional benefits of sharing a bed with your baby can be enormous and some
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FACTORS CONTRIBUTING TO GOOD PERFORMANCE IN SCHOOLS The factors that could contribute to good/poor performance in any school and specifically in Makini School can be categorized into four: 1. School-based factors 2. Teacher-Based factors 3. Pupil-based factors 4. Community-Based factors 1.SCHOOL BASED FACTORS a. Commencement of learning: The time allocated for teaching and learning is a factor influencing pupils’ academic performance. There are three school terms every year with holidays
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work I was not aware of all the different types of workers. Each co-worker had a different way of doing things and a different personality. I can classify them into four categories because they are the most common‚ the lazy‚ the complainer‚ the talker‚ and the know-it-all. My first job was at Target‚ and I encountered the know-it-all that was always telling me how to do things because he had been there longer. I also met the lazy co-worker that made my work harder. My next and current job was at Foot
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