Extraction (Ch # 07) Faraz Gohar Mr. Wayne Xie Chem 201 10/02/2012 Objectives : 1)To purify samples of organic compounds that are solids at room temperature. 2)To dissociate the impure sample in the minimum amount of an appropriate hot solvent Chemical Index : Naphthalene; mp 82 *C 1‚4-Dichlorobenzene; mp 56 *C 4-Chloroaniline; mp 68 - 71 *C; pKb 4.15 Ethyl 4-Aminobenzoate; mp 90 *C; pKb 4.92 Procedure :
Premium Solvent Solubility Acetic acid
Erikson’s Timeline Tina Taylor PSY/230 November 6‚ 2011 Dr. Diane Pascoe Erikson’s Timeline The seventh stage of Erikson’s eight stage model of psychosocial development‚ generativity versus stagnation‚ is where I believe where I am located in the model (McAdams‚ 2006). The central question that is posed during this stage is: “How can I fashion a “gift” (McAdams‚ 2006)? I have been sending all information down to the adult children and young children‚ to make them more knowledgeable
Premium Developmental psychology Erik Erikson Erikson's stages of psychosocial development
FRENCH REVOLUTION TIMELINE 1781: 19th February: Director-General of Finances‚ Jacques Necker‚ presents his financial report to King Louis XVI. 19th May: Necker resigns his position as Minister of Finance. 25th May: Joly de Fleury appointed Minister of Finance. 1782: July: The King Imposes a third additional tax for the period 1783-1786. 1783: 3rd Sepetember: France signs the Treaty of Versailles‚ ending the conflict with Britain over the American colonies. 3rd November: Calonne is
Premium 1984 1983 1967
Phil 201 Essay 1 September 26‚ 2012 Comparing and contrasting the synopsis “The Matrix” to Plato’s “The Allegory Of The Cave” and also Descartes “Meditation I Of The Things Of Which We May Doubt” which have several similarities and also some differences. In all three of these stories the main idea is that reality is in question. In the Matrix‚ the human being is in a pod like machine that is controlled by a computer simulating what we think and know to be reality. Reality is not only created
Premium Simulated reality Mind Reality
Running head: A TIMELINE OF READING A Timeline of Reading Instruction Grand Canyon University RDG 509 November 9‚ 2009 Abstract Reading instruction has undergone many changes since the first colonists settled in America. Hornbooks and battledores morphed into primers and basal readers. Religion played an important part throughout the first half of the history of reading instruction in America. Books grew into stories that were enjoyable instead of remedial. The alphabet played a significant
Premium Reading
A Timeline of Ford Motor Company In August 1946‚ Henry Ford Sr. (1863-1947) and his wife‚ Clara‚ sit in the First Ford Car‚ build in 1896. Model Ts stand ready for Delivery in 1925. The Ford Explorer SUV is waning in popularity. Ford has been synonymous with the automotive industry‚ Since the company’s founding in 1903. Mr. Henry Ford‚ the founder of the company became best known for innovation‚ transforming cars into commodities for the masses and his company into an American icon. Here
Premium Automotive industry Ford Motor Company General Motors
Global History Timeline 7800 BCE First traces of agriculture found along the Jordan River Valley‚ plants had adapted to agriculture (Traces of cultivated rice found in China around the same time) 5500 BCE First origins of Chinese Civilization‚ centered along the yellow river. Cultivation of soy beans and domestication of pigs by the local population 5000 BCE - First agriculture in Mexico‚ corn and beans. - Domestication of the donkey in Egypt. 4500 BCE First agriculture along the eastern
Premium Sumer China Centuries
Of Mice And Men Plot Chapter 1 – George and Lennie camp in the brush by a pool‚ the night before starting new jobs as ranch hands. George finds Lennie stroking a dead mouse in his pocket. He complains that caring for Lennie prevents him from living a freer life. We find out that Lennie’s innocent petting of a girl’s dress led them to losing their last jobs in Weed. However when they talk about their dream of getting a piece of land together‚ we know they really depend on each other. Chapter
Premium Of Mice and Men John Steinbeck Great Depression
Unit 201 – Understand employment responsibilities and rights in health‚ social care or children and young people’s settings. Describe the terms and conditions of own contract of employment. Probation period: When I joined Children 4 Most I was told I was on a 6 month probation period‚ This means that the management are able to terminate my contract if the company is unsatisfied with my working standards. Place of Work: I was also told that I may have to work at other locations for the nursery’s
Premium Employment Recruitment
(motion pictures from successive photos on a cylinder) Berliner invents gramophone Oberlin Smith publishes basics of magnetic recording Hollerith introduces an automated punch-card driven tabulation device for the Census Bureau Dickson uses Edison ’s kinetograph to record motion pictures Poulsen invents the Telegraphone‚ the first magnetic recording device 1905 1905 1906 1923 1926 1926 1927 1927 1928 1929 Fleming electron tube Einstein ’s Theory
Premium Computer graphics Pixar