Chemistry * a science that dealing with the structure‚ composition and properties of items and with the transformations that they undergo * the composition and chemical properties of a substance * chemical processes and phenomena (as of an organism) Examples: - Digestion; enzymes promoting chemical reactions that power our bodies. Lifting your arm requires your body to make and burn ATP using oxygen with carbon dioxide as one of the waste gases produced. - The internal combustion
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1 COMPUTER ASSISTED INSTRUCTION IN CHEMISTRY IN RELATION TO LEARNERS’ PERSONALITY Dr.R.Sivakumar Abstract The aim of this study was to find out the effectiveness of Computer Assisted Instruction in Teaching Chemistry In Relation To Learners’ Personality. The sample consisted of 40 students in Control group and 40 students in Experimental group. The data were collected using appropriate tools and it was analyzed by t’ and F’ test. The finding is that the achievement scores of Experimental group
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www.ccsenet.org/ijc International Journal of Chemistry Vol. 2‚ No. 2; August 2010 One-pot Preparation of β–amino Carbonyl Compounds by Mannich Reaction Using MgO/ZrO2 as Effective and Reusable Catalyst Deepak.M. Nagrik (Corresponding author) Department of Chemistry‚ PLIT and MS Buldana-443001‚ M.S.‚ India E-mail: dmnagrik@rediffmail.com D.M.Ambhore P.G.Department of Chemistry‚ Jijamata Mahavidyalaya Buldana-443001‚ M.S.‚ India Manoj.B. Gawande (Corresponding author) Departamento de Química
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EXPERIMENT 2: SYNTHESIS OF ORANGE II (2-NAFTHOL ORANGE OBJECTIVE 1. To produce dye based to the coupling of diazonium. 2. To understand the characteristic of dye orange II. INTRODUCTION The first dye was introduced by William Henry Perkin on 1856. It can be produced by the coupling of diazonium sulfanilic acid with nafthol in alkaline solution.. This was the common method used to produce dye nowadays. In this experiment‚ dye produced was the orange II. Azo compound is compound that contain
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‘The concept of risk aversion is fundamental to investment analyses’ – A statement evaluation Risk is almost always present when an investment is taken; the evaluation of risk begins immediately with analysts asking questions about the level of risk associated with an investment‚ performing calculations to measure the risk involved‚ also diversifications may be considered to minimise risk. This clear focus and proactive approach to risk minimisation implies risk aversion plays a major role in
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Crouch‚ S. R. Principles of Instrumental Analysis. Sixth Edition‚ Thomson Brooks/Cole‚ USA‚ 2007. 2. Krugers‚ J. Instrumentation in Gas Chromatography. Centrex Publishing Company-Eindhoven‚ Netherlands‚ 1968. 3. Hubschmann‚ H. Handbook of GC/MS: Fundamentals and Applications. Wiley-VCH Verlag‚ Germany‚ 2001. 4. Scott‚ R. P. W. Chromatographic Detectors: Design‚ Function‚ and Operation. Marcel Dekker‚ Inc.‚ USA‚ 1996. 5. J.N. Driscoll. REview of Photoionization Detection in Gas Chromatography: The
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Sains Malaysiana 41(4)(2012): 445-452 Effects of Spin Contamination on the Stability and Spin Density of Wavefunction of Graphene: Comparison between First Principle and Density Functional Methods (Kesan Pemumusan Spin Terhadap Kestabilan dan Ketumpatan Spin bagi Fungsi Gelombang Grafen pelumusan: Perbandingan antara Kaedah Prinsip Pertama dan Kaedah Kefungsian Ketumpatan) LEE SIN ANG*‚ SHUKRI SULAIMAN & MOHAMED ISMAIL MOHAMED-IBRAHIM ABSTRACT The effects of spin contamination on the
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Overview Fundamental Rights are an important part in the Constitution of India. It guarantees civil liberties for Indians to lead their lives in peace and harmony. These includes‚ equality before law‚ freedom of speech and expression‚ and peaceful assembly‚ freedom to practice religion‚ and the right to constitutional remedies for the protection of civil rights by means of writs such as habeas corpus‚ quo-warranto‚ mandamus‚ certiorari‚ and prohibition. Violation of these rights is directly challengeable
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Unit 1 – Lesson 1 Chemistry Key Questions 1. Element Standard Notation # Of Electrons # Of Protons # Of Neutrons Sodium 23 11 Na 11 11 12 Chromium 24 Ca 26 26 27 ? Phosphorus 32 P 15 15 16 2. Fireworks; Which metals burn to produce these colours? Red – Lithium (Sr) Blue – Cesium (Cs) Pink – Potassium (K) Yellow/Green – Copper (Cu) Orange – Carbon (Ca) 3. Let’s say that the three bottles contain Fe(NO3)3‚ BaCl‚ and AgNO3. These are Iron (III) Nitrate‚ Barium Chloride
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Fundamental Analysis Fundamental Analysis The process of gathering information‚ organising it into a logical framework and then using it to determine the underlying value of a share. Intrinsic Value The underlying or inherent value of a stock as determined through fundamental analysis. The entire concept of stock valuation is based on the belief that all securities possess an intrinsic value that their current market or trading value must approach over time. Intrinsic Value Depends
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