Sheet of Philosophy PI121 Walter J. Ong Peter Ramus (15151572) Anthony Giddesn → Idea of Timespace Compression Philosopher Origin 1. Wilhelm Von Humboldt (GER): describes the development of liberalism and the role of liberty in individual development and in the pursuit of excellence. Humboldt insisted on a minimal state dedicated strictly to the preservation of security. 2. Robert K. Merton: developed notable concepts such as unintended consequences‚ reference group and role strain. A central element of modern sociological
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Objectives: 1. To identify the relative densities of some common liquids and solids. 2. To determine the densities of water‚ an unknown liquid‚ a rubber stopper‚ and an unknown rectangular solid. 3. To determine the thickness of a piece of aluminum foil using the density concept. 4. To practice proficiency in performing the following experimental procedures: pippeting a liquid‚ weighing by difference‚ and determining a volume by displacement. Apparatus: Tall glass cylinder‚ glass marble‚ rubber
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Experiment no. 2 Classification of Matter Morillo‚ Mary Jane J. Nidua‚ Maria Angelene Group no. 2/Chemistry Lab./Engr. Ma. Jeanette U. Obias Abstract The classification of matter was demonstrated through simple activities of mixture‚ heating and magnetic attraction describing its physical state ‚ its chemical reactions and its separation to other substances. Simple reagents such as Iron filings and Sulfur powder in our experiment were considered as elements‚ while solid mixtures such
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BALANCE LAB Introduction The purpose of this lab is to become familiar with how to use the ChemLab program for determining mass using both the centigram balance and the electronic balance. Using the centigram balance‚ the mass‚ in grams‚ of a copper slug will be determined by both direct weighing and weighing by difference techniques. Using an electronic balance‚ the wight of a copper slug will be determined by also utilizing direct weighing and weighing by difference. Average mass of a
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Physical and Chemical Properties Peter Jeschofnig‚ Ph.D. Version 42-0188-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that
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Name: _______________________ 7.04 Equilibrium Data and Observations: Insert data tables for each part of the lab (parts I‚ II‚ and III). Part I (2 points) Round Candies on R side Candies on P side 0 40 0 1 25 15 2 19 21 3 17 23 4 16 24 5 16 24 6 16 24 7 16 24 8 16 24 9 16 24 10 16 24 Part II (2 points) Round Candies on R side Candies on P side 0 40 0 1 38 23 2 30 32 3 27 35 4 26 36 5 25 37 6 25 37
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Give brief answers to the following questions : 1. What happens to a molecule when it absorbs UV light ? rvv’ill occra’’ 6e cfr’oh fvhan ?- rr.ote c ulQ a$c‚ovb r4V t;g hl ‚ ?*rltdfi’oh o{ olQelraq ofc pronrottd potn *h’Qhr lraur1 dt *q‚fe to erc;feC‚ slst<‚Th<;6bSotb1 ) qh’:o&s ih n^olf c’‚la g r.in9 qb‚olal ob{‚1tr.ira :Lind c o1 et<cif l‚pln+t qt"d QqCh W-qrtr\ve 1t5 ou‚ 4iSfictlre ancvcry.0rl+yorvi6lst: qnI vrstblC t;Jht brin3 lboql rrrovc tbq\i v orl{rrro e.tCclro tts t5 Ricorlt5 fu o rv
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EXPERIMENT 5- A FISCHER ESTERIFICATION SYNTHESIS OF PEAR OIL One of the major uses of Esterification (C(=O)-C-R) is forming compounds with different odors which can be used to make different synthetic and natural flavorings. Using the chemical and physical properties of organic compounds‚ an ester was catalyzed from the reaction of a carboxylic acid with an alcohol‚ producing an odor similar to that of pear oil. The mechanism of this Fischer- Esterification process is outlined as follows:
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Rafa Mwais Professor Hermann Chem 157 Paper #5 May 28‚2013 Crystal Structure of the Catalytic Portion of Human HMG-CoA Reductase 3-hydroxy-3methylglutaryl-CoA reductase (HMGR) catalyzes the formation of mevalonate in the biosynthesis of sterols and isoprenoids. The activity of this enzyme is regulated physiologically through synthesis‚ degradation and phosphorylation to maintain to maintain the concentration of the mevalonate-derived products. Transcription and translation of HMGR increase
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香港中學文憑考試 HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION 練習卷 PRACTICE PAPER 化學 試卷一 CHEMISTRY PAPER 1 評卷參考 MARKING SCHEME (2012年2月22日修訂稿) (updated as at 22 Feb 2012) Hong Kong Examinations and Assessment Authority All Rights Reserved 2012 PP-DSE-CHEM 1–1 權版留保 局核評及試考港香 © 。旨之巧技用運與力能解理重着試考違有亦 ，難解及對應懂學，習學善改生學助無既，度態習學種這。吞生剝 活，記死背硬，案答準標為視考參卷評將應不生學。用之考參生學 和師教供，寫編而卷習練科本為專局核評及試考港香乃考參卷評本 This marking scheme has been prepared by the Hong Kong Examinations and Assessment Authority for teachers’ and students’
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