Extraction of caffeine from tea bags ABSTRACT Caffeine extraction from the commercial tea leaves (Lipton Yellow Label Tea) that was done is multiple extraction. 4 tea bags were used in the experiment; tea leaves were weighed having 8.5333 grams. The leaves were boiled in a beaker with 150ml of water; the aqueous tea extract was transferred in a seperatory funnel mixed with DCM (20ml)‚ done thrice. The DCM layer was washed with 20ml 6M NaOH in the seperatory funnel; the organic layer was dried
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at home. In Stand and Deliver‚ several characters are influenced by the culture they come form. One of the students Claudia‚ she is what some would consider a "pretty girl." Everyone wants to be with her. Most people seem to judge her based on her looks and social life. Including Mr. Escalante‚ constantly jokes much to her dismay‚ about‚ but he soon apologizes. Claudia is told by her mother "Boys don’t like you if you are too smart" as she grows up. Her mother thinks education cannot help her to
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Tatyana Thompson CST 105- 38 Professor Simon September 18‚ 2013 Any Old Bag Speech Reflection The “Any Old Bag Speech” was definitely an eye opener for me. This speech opened my eyes to things that I most definitely have to improve on‚ refine‚ and learn how to be a good speaker in front of an audience. What I learned from the video was I that I actually love the quality of what I have to say. It is very detailed and tells exactly what I want to say. Furthermore‚ I was very surprised to see how
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Paper – I Stand Here Ironing Kloss‚ Robert J. "Balancing the Hurts and the Needs: Olsen’s ’I Stand Here Here Ironing‚’." Journal of Evolutionary Psychology 15.1-2 (Mar. 1994): 78-86. Rpt. in Contemporary Literary Criticism. Ed. Jeffrey W. Hunter and Deborah A. Schmitt. Vol. 114. Detroit: Gale Group‚ 1999. Literature Resource Center. Web. 23 Mar. 2012. Kloss’s‚ "Balancing the Hurts and the Need Olsen’s ’I Stand Here Ironing’"
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systematic knowledge of the physical or material world gained through observation and experimentation. Introduction: I stand in firm negation of the resolution at hand. I support this with the following two contentions. All I need to do to prove my opponent wrong is to negate the resolution with one example that proves science is unable to produce an answer to everything. Science cannot answer all questions‚ because there will always be something unknown and we will make assumptions based on it. Science
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Say No to One Night Stand INTRODUCTION I. Attention Grabber Do you know what does one night stand means? The term ‘one night stand’ means that you have a sexual relationship with a person you meet or possibly a person you never meet before and both of you have no intention to ever meet again or to continue the relationship. It can happen anytime. II. Reveal Topic Today‚ I would like to talk about some of the harms of one night stand and persuade all of you to stay away from having this
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Stand Your Ground Law On February 26‚ 2012‚ the 17 year old Trayvon Martin was fatally shot by George Zimmerman in Sanford‚ Florida. After the shooting‚ Zimmerman wasn’t arrested because of the "Stand Your Ground" laws. This sparked concerns and feelings during the trial and after. This paper will examine the "Stand Your Ground" laws in all aspects. Through this careful examination it will be revealed that the "Stand Your Ground" laws was relevant in the Zimmerman trial. The "Stand Your
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for it places an enormous psychological weight upon a daughter’s lifelong character and well-being. However‚ when the inescapable struggles of economic depression and single motherhood arise‚ such a bond is sacrificed. Throughout Tillie Olsen’s “I Stand Here Ironing”‚ a mother looks back at her daughter‚ Emily’s‚ childhood and contemplates the positive and negative elements of their relationship that have derived as a result of her inability to provide proper care and participation in her daughter’s
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Stand your ground law Keion Samuel Mr. Jimenez 10 February 2014 The “Stand your ground” law is a very misused and misunderstood laws in the state of Florida. The law states that if a person feels threatened‚ they can retaliate with extreme force. Even if it is deadly force. The law actually states: Use of force in defense of person.—A person is justified in using force‚ except deadly force‚ against another when and to the extent that the person
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Juvenile Competency to Stand Trial Marcia Kasmarcik FPSY-6125 Assessment in Forensic Psychology Settings Walden University October 23‚ 2011 Juvenile Competency to Stand Trial In this paper we will examine competency to stand trial‚ more specifically juvenile competency to stand trial. Competency to stand trial has to do with the defendant’s state of mind at the time of the trial. An individual is judged competent to stand trial if he or she understands the nature of the proceedings
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