Dehydration refers to a chemical reaction where the reactant loses a water molecule. In the presence of a strong acid like 85% phosphoric acid‚ an alcohol like-2-methylcyclohexanol can be dehydrated to form an alkene. In this experiment‚ alcohol was dehydrated by E1 elimination‚ in order to synthesize cyclohexene. First‚ alcohol is protonated by the acid. Second‚ during E1 elimination‚ a carbocation is formed by the removal of an oxonium ion to yield a secondary and a tertiary carbocation. The receiving
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This really nice kid. Tristan. She then gets up‚ walks over to him‚ gestures her hand to me‚ and says something to him. I could feel my face Steaming‚ and could just imagine the faint tint of pink/red on my face‚ JUst like his turned to be. Eventually‚ band class was almost over considering that‚ the day was almost over only 3 more periods left. Reassuring myself that this was the only period i had with him‚ and he wouldn’t think
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used to seeing. The artist combines and mixes different colors like white‚ blue‚ red and gray to create different shades of blue to put emphasis on the lighter shades that stand out from the dark shades and make the water mimic a similar turmoil like how the dark-colored man is facing the sharks and the storm. The composition of the painting is slightly
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captured the tragedy‚ titled “The Raft of the ‘Medusa’” in Romantic style‚ along with compositional structure. The lifelike figures in the painting show detailed anguish and grief; which‚ invokes despair in those who view it. The use of light and shade emphasizes drama throughout the painting. Theodore Gericault turned a tragic event‚ into a visual display of government incompetence. In 1816‚ the French government exercised poor judgment‚ by authorizing the unstable Medusa to set sail. The
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|Vol 36 No 1‚ January - March 1998 Page 20|PREVIOUS ... CONTENTS ... SEARCH ... NEXT | | |The Use of Games | | | |For Vocabulary Presentation and Revision | | | |by Agnieszka Uberman | | | | |Vocabulary acquisition is increasingly viewed
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Introduction A study of European monarchy can often be distorted by rose-tint due to over-romanticised portrayals or the simple blurring of facts and fiction over time. Therefore‚ in the endeavour to gain a rigorous understanding of Louis XIV’s absolutist reign in France‚ the memoirs of the Duc de Saint-Simon provides a unique account of the Sun King’s tenure‚ one from a detractor’s perspective. His memoirs present an honest and stripped-down account of Louis’ court that does away with romantic fiction
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Water Analysis Lab Report Purpose: In this lab we will be testing a number of water samples. These water samples come from various water sources. Each of these water samples will undergo four different tests. The four tests include a pH test‚ a conductivity test‚ a total and phenolphthalein and alkalinity test‚ and a total hardness test. This lab requires comprehension of lab material and techniques learned in prior labs (Kippenhan‚ 2012). Procedure: Each
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The Hypothesis: Hermit crabs prefer shade to sunlight Data Sheet: Hermit Crab Light Shade Behavior HC #1 X Immediately crawled back in to shade when placed in sunlight. HC #2 X Did not come out of shell HC #3 X Wandered around sunlight before returning to the shade HC # 4 X Immediately crawled back in to shade after being placed in sunlight HC #1 X Did not come out of shell HC #2 X Did not come out of shell HC #3 X Crawled around in the shade stopping where the light began HC #
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Eragon‚ a 15 year-old boy‚ lives with his uncle Garrow and cousin Roran on a farm on the outskirts of a small village‚ Carvahall. While hunting in The Spine‚ a large range of mountains running down the West side of Alagaësia‚ which is believed to have mysterious happenings‚ Eragon is surprised to see a polished blue stone appear in front of him. After failing to sell or trade the stone‚ Eragon witnesses a baby dragon hatch from the "stone‚" which was in reality a dragon egg. He questions Brom - the
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‘different’. To stay with the example of colour‚ this just doesn’t seem true. First‚ the colour spectrum is not divided into distinct parts of red‚ yellow and so on; it is continuous. Second‚ there are many shades of yellow; to call them all yellow is to abstract from their individual different shades. Putting these two points together‚ we realise that acquiring the concept ‘yellow’ is not a matter of copying an impression; no experience comes neatly packaged as an experience of ‘yellow’. To learn the
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