compound of interest and its contaminants • Basic technique: 1. dissolve impure sample in an "appropriate" hot solvent Part A: Choosing a Solvent Part B: Purification of Phenacetin 2. cool solution slowly to induce crystal growth 3. filter resulting mixture to isolate crystals Reading: Mohrig‚ Hammond & Schatz Ch. 15 pgs 183-197 Ch. 10 pgs 104-113 Ch. 14 pgs 174-182 • Scale: 5-10 mg discovery based research - a new material prepared in a lab 1‚000 kg + commercial applications - sugar
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I was first introduced to Vincent Van Gogh’s artwork through a YouTube video in my Art Appreciation Class. The video displays some of his more popular paintings. It is set to the tune of ‘Starry Starry Night‚’ a song written by Don McLean. McLean wrote the song as a tribute to Van Gogh and told the story of Van Gogh’s life through his own eyes. McLean portrays Van Gogh as somewhat of a tormented soul who took his own life. I could almost feel Van Gogh’s pain through the mixture of visual and
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ARABIAN NIGHTS SYNOPSIS In Baghdad there was a Sultan named Shahryar who had gone mad because he accidentally killed his wife who was unfaithful to him for he had an affair with the Sultan’s brother‚ Schahzenan. He gone mad because he thought that every women wanted to kill him and for that he requests to bring a harem girl to marry and be killed the next day. A clever woman named Scheherazade decide to marry the Sultan in order to prevent his madness. With the help of a storyteller she tells
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National Institute of Geological Sciences Laboratory in Principles of Geology Geology 11.1 Laboratory Manual Name: _____________________ Student #: ___________________ Section: ____________________ Copyright © 2003 National Institute of Geological Sciences. All rights reserved. National Institute of Geological Sciences Laboratory in Principles of Geology Representing the Surface of the Earth Objectives To be able to interpret the data represented on a map To be able to identify
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Twelfth night was written by William Shakespeare in 1601 it was one of the last comedies he wrote. Twelfth Night is seen by many people as a traditional romantic comedy. It includes devices of gender confusion‚ mistaken identity and speaks about the madness of love. Looking throughout William Shakespeare’s plays similarities can be brought up and seen between A Midsummer Night’s Dream and Twelfth Night both include confusion‚ mistaken love for another and a romantic comedy setting. Orsino
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Wood frog-protects its organs by freezing solid. Ice wine-frozen grapes-the shrunken nature of the grapes is due to water loss-the less water in grapes‚ the fewer ice crystals there are to damage the delicate membranes of the fruit. Sugar is a natural antifreeze- this is probably why people developed diabetes during ice age (younger dryas) and people nowadays are more frequently diagnosed with diabetes from November to Freburary‚ when it is colder. Natural selection survival rule-LOSE THE FINGER
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How does Shakespeare present the theme of deception in the first two acts of Twelfth night? Shakespeare’s Twelfth night‚ focuses mainly on the theme of deception in both main plot and the sub-plot. Not only do the characters deceive each other‚ but many of them are also self-deceived and we‚ as the audience‚ begin to realise ourselves that we are sometimes deceived. This creates great opportunities for Shakespeare to create humour and dramatic irony‚ which a Shakespearian audience would understand
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Pre Lab 1a. Hydrated compound: ionic compound which contain water molecules inside their crystal lattice. The water is not chemically bonded to the crystal in any way and can be extracted by heating the compound. 1b. Anhydrous compound: a compound without water. 2a. The dot means that there are water molecules present in the crystal lattice in a specific ratio. 2b. For every mole of copper sulfate‚ there are five moles of water. 2c. The molar mass of copper (II) sulfate is 159.61 grams/mol
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Starry Night is created by artist Vincent Van Gogh and in my opinion the setting is something the public may relate to‚ the swirling affect in the picture directs the viewers eyes around the whole painting. Also the spaces among the curving contours and the stars creates a dot to dot effect. The painting is brimming with shining stars and a beautiful bright crescent moon and everything is surrounded by magical whirling clouds. The contoured forms in this piece of artwork convey emotion and are means
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The Starry Night is a post impressionist painting by Vincent Van Gogh that was created not long after he arrived at asylum in Saint Remy France in 1889. This is oil on canvas that measures 73.70” X 92.10”. This work is currently owned and housed by the Museum of Modern Art‚ which is located in New York City‚ New York. The work depicts the pre-dawn view from his room at the Saint Remy Lunatic Asylum. It features a bright‚ turbulent night sky‚ which is framed in the foreground by a small village
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