Experiment : 1 Tittle : Preparation of bis(acetylacetonato)copper(II) complex Objective : To synthesis the bis(acetylacetonato)copper(II) complex Introduction : A complex ion is usually form with high charge density metal ion as a central and formation of coordinate covalent bond (dative bond) with high electron molecules or ions. These molecules or ions are functioning as ligands (electrophile in organic compounds). They are easily attracted by electrophile (electron deficiency
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composed of just one of these substances". Bile is a greenish-brown liquid produced in the liver then stored in the gallbladder which is use to digest fat. Bile contains water‚ cholesterol‚ fat‚ bile salts‚ proteins and a waste product call bilirubin. If the bile has too much cholesterol ‚ bile salt‚ or bilirubin‚ they hardens into stones. There are two types of Gallstones. The first and more common type is known as the Cholesterol Stone‚ which accounts for 80 percent of all cases of Gallstones
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many words that a poet carefully chooses to show certain meaning. The song " Every Grain of Sand" that is written by Bob Dylan deserves to be called poetry because of his careful use of tone‚ symbolism‚ allusion‚ simile and enjambments. Tone is an important part of poetry. It sets the mood of the piece and gives the audience a sense of what is going on and how the narrator feels. In " Every Grain of Sand" the tone is one of sadness and depression. There is a certain desperate tone in the poem‚
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Brazil was first visited by the Portuguese they quickly found that there were rich lands and money to be made off those lands. The coastal areas of Brazil were taken by wealthy settlers‚ this was over 500 years ago. Jorge Amado’s “Captains of the Sands” was written in 1937 and although the main theme was set around a group of orphan children who ran the streets‚ there were political undertones that also told a story of the divide between the rich and the poor. When the Portuguese first arrived there
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This book was chosen for review because I was looking for a book that has a history of salt and how it affects us today. Mark Kurlansky‚ the author of this book‚ earned a BA in Theater from Butler University in 1970. He has worked as a playwright at Brooklyn College‚ a commercial fisherman‚ a dock worker‚ a paralegal‚ a cook‚ and a pastry chef. He worked as a journalist for many companies which are‚ The International Herald Tribune‚ The Chicago Tribune‚ The Miami Herald‚ and The Philadelphia Inquirer
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Sand creek massacre- Date November 29‚ 1864 Location Colorado Territory Present-day Kiowa County‚ Colorado Result United States Army massacres Native Americans. Belligerents United States Cheyenne Arapaho Commanders and leaders United States John M. Chivington Black Kettle Strength 700 [1] 60–200 Casualties and losses 24 killed‚ 52 wounded[2] 70–163 killed[2] *the aftermath-The Sand Creek Massacre resulted in a heavy loss of life‚ mostly among Cheyenne and Arapaho women and
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sales manager at Granite‚ Rock and Sand‚ and is in jeopardy of losing his job if he does not improve his unit’s sales performance. Joe cannot afford to lose his job because he will not be able to pay his mortgage on his new home. He began to interview candidates for a vacant position in this unit‚ where he is approached by a candidate‚ Jessica Morris‚ a former employee of Granite’s competitor‚ Silt‚ Sand and Such. She offered Joe inside information on Silt‚ Sand and Such that would help solve his
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questions on the effects of salt on grass growth. In the winter‚ many people place a salt compound on their driveways to melt snow and ice that has accumulated. The following spring‚ it is noticed that the edges of the driveway does not have any grass growing and grass a little further from the driveway is growing slower than the rest of the lawn. It will be determined if grass growth is negatively impacted in the spring after a winter of salt compound applications. Salt and Grass Growth Introduction:
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Sand Dams in Kenya WHAT IS A SAND DAM? A Sand Dam is a steel reinforced concrete wall built across a sandy riverbed. During rainy seasons‚ a seasonal river forms and carries soil (consisting of sand and silt) which moves downstream. The heavy sand builds up behind the dam‚ whereas lighter sand and silt washes over the wall of the dam. Within the space of one to four rainy seasons‚ these dam types get completely filled with sand. However‚ approximately 40% of the volume held behind the dam
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The Great Salt Lake The Great Salt Lake is a wonder of its own. Made by the remnants of Lake Bonneville‚ this lake is unique to Utah and has many different characteristics that make it this way. Have you ever wondered how big the Great Salt Lake really is? It is one of the largest lakes in America. The Great Salt Lake is about seventy-five miles long and twenty-five miles wide. Even though the deepest spot in the lake is thirty-four feet the average depth of the Great Salt Lake is around 13 feet
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