1. Obtain 1 gram of an impure‚ unknown substance solid. Make sure to stir the mixture before measuring the sample; record the mixture’s code in the data section. 2. Add approx. 25-50 mL of water and several boiling chips to a 125 mL Erlenmeyer flask and heat the water to a gentle boil using a hotplate. 3. On a second hotplate‚ place a 125 mL Erlenmeyer flask containing the one gram of unknown solid along with a boiling chip. 4. Using a ring clamp‚ slowly pour approx. 5-10 mL of boiling water into
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Abstract Three tests were performed to determine the identity of unknown number 34‚ a gram stain‚ citrate utilization test‚ and a urease detection test. These tests are explained in detail‚ and the method of performing the tests is described. The tests showed that the bacterium was gram-negative bacilli that did not utilize citrate‚ and the ability to hydrolyze urea using urease. These results indicate that the identity of unknown number 34 is Proteus mirabilis. Introduction Proteus mirabilis is
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Lab: Flame Test Purpose: to determine the ID of 2 unknown substances Background Information: Every atom consists of a nucleus with tiny electrons whizzing around it. The further away from the nucleus they are‚ the more energy the electrons have. If a metal atom is heated‚ the electrons get enough energy to jump higher away from the nucleus‚ they become “excited”. When they fall back closer to the nucleus (back to their ground state)‚ they give off this extra energy as light. Why is the
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INDIAN INSTITUTE OF MANAGEMENT AHMEDABAD INDIA Research and Publications Risk Management Lessons from the Global Financial Crisis for Derivative Exchanges Jayanth R. Varma W.P. No.2009-02-06 February 2009 The main objective of the working paper series of the IIMA is to help faculty members‚ research staff and doctoral students to speedily share their research findings with professional colleagues and test their research findings at the pre-publication stage. IIMA is committed to
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Increasing Fiber in Rice Pilaf Arcelay‚ Marilyn March 30‚ 2007 FOS 4041L Dr. Dixon Introduction Obesity is a word that everyone is currently familiar with. The media and health professionals have been working tirelessly to make the general public aware of its prevalence and detriments to society. With the staggering statistics of 32.2% prevalence in adults and a range of 13.9% to 18.9% prevalence in children and adolescents‚ these outstanding numbers stand
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Identification of Unknown Carbohydrates using various biochemical tests Date of experiment: 11/10/2012 Name of Student: Vicki Marshall Introduction A series of biochemical tests was carried out to identify unknown carbohydrates. There were six carbohydrates that needed to be identified; they have been randomly labelled A-F. The carbohydrates are glucose‚ fructose‚ maltose‚ lactose‚ sucrose and starch. There was six tests that were carried out to help identify them‚ these were: Iodine Test
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Jeramie Janine B. Rellora Geol 1 - THV 2008-17299 Prof. Mario Aurelio Tuesday March 06‚ 2012 Negros Quake‚ Disaster from the Unknown: A Reflection Paper When I first heard about the news from my older sister regarding of what had happened in the Northern part of Negros‚ I was surprised to know that there was actually no particular fault line declared and suspected before in the said affected area. In point of fact‚ before I read the article of my Professor in my
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WOMAN UNKNOWN- Rabindranath Tagore **************************************************************** By P. Baburaj‚ Senior Lecturer‚ Dept. of English‚ Sherubtse college‚ Bhutan Author of: Language and writing‚ DSB Publication Thimphu Communicative English‚ P. K. Books‚ Calicut A perception on Literary Criticism‚ P.K. Books‚ Calicut ****************************************************************** First person narrative. A 27 year old man namely Anupam who is immersed in Indian tradition and
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A Journal Critique on the Synthesis of New Derivatives of Resveratrol and to Explore its Potential Health Benefits Summary The goal of the study is to extract and purify resveratrol from fresh skin of black grapevine. Resveratrol is a member of a group of plant compounds called polyphenols and belongs to the class called stilbene. Resveratrol is produced by grapes and some plants in response to stress‚ injury‚ fungal or bacterial attack and ultraviolet radiation. Studies show that it makes chemotherapy
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space explorations to discover other galaxies‚ stars‚ and possible life forms that cease to exist outside the planet. We tend to cross the boundary of what we learn from one thing‚ going to another. If I were to visualize this avenue of reality and unknown reality‚ Reality is already a familiar path we walk on yet there are roads that
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