Math Practice Lab Pre-Lab Questions: 1. The rules concerning handling significant figures are as follows: When dividing/multiplying The answer has no more significant digits than the number with the fewest significant digits (the least precise figure). Round off after calculations have been performed. When adding/subtracting Answer has no more places than the addend‚ minuend‚ or subtrahend with the fewest number of decimal places. Significant figures are irrelevant when adding/subtracting
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BEGE - 102 Solved Assignment 2012-2013 1. State whether the following statements are true or false. (10) I. Phonology is a study of the word pattern of a language ans) False II. According to the British R.P‚ there are 8 pure vowels and 12 dipthongs ans) False III. A diphthong is a combination of any two vowels produced one after the other ans) True IV. There are only two semi-vowels in English ans) True V. There are only two nasal-consonants in English ans) False VI
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Title: Observations of Chemical Changes Purpose: To learn about the international system of units (SI)‚ to become familiar with common lab equipment and techniques‚ to gain proficiency in determining volume‚ mass‚ length‚ and temperature of a variety of items using common laboratory measurement devices‚ to learn to combine units to determine density and concentration‚ and to use laboratory equipment to create serial dilutions and determine the density and concentration of each dilution. Procedure:
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EEG-02/ BEGE-102 Bachelor’s Degree Programme (BDP) ASSIGNMENT 2012 – 2013 (For July 2012 and January 2013 sessions) ELECTIVE COURSE IN ENGLISH –02 The Structure of Modern English School of Humanities Indira Gandhi National Open University Maidan Garhi‚ New Delhi-110 068 1 Elective Course in English-02 (EEG-02)/(BEGE-102) Programme Code: BDP Course Code: EEG-02/BEGE-102/2012-13 Dear Student‚ You need to attempt one assignment for the Elective Course in English-02. This assignment
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Unit 2 PPA 1 Complexometric Determination of Nickel using EDTA Introduction: The Aim of the experiment is to determine the percentage of nickel salt using a complexometric technique. Ethylenediaminetetraacetic acid (EDTA) is a hexadentate ligand which forms stable complexes with most metal ions‚ thus is widely used to determine metals in complexometric titrations. EDTA can be represented as H4Y and in alkaline conditions‚ it exists as Y+ ions: The Y4- ions form 1:1 complexes with metal ions
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Organic Chemistry I Spring 2013 Practice test 1. Name the following compounds: a. 5-tert-butyl-7-isopropyl-6-sec-butyl-undecane b. cis-2-(5‚6-dimethylheptyl)-6-(3-methylpentyl)piperidine c. trans -2-nonyl-3-octyl-tetrahydrofuran d. trans-1‚6-dimethylbicyclo[4.3.0]nonane e. cis-6‚8-ditert-butylspiro[3.5]nonane f. 1‚6-dimethylcyclohexene g. (Z)-3-bromo-4-fluoro-5-methyl-oct-4-ene h. (E)-8-(1-chloroethyl)nonadec-8-ene 2. Draw the structures of the following compounds: a b e c
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CLC108/CLB108 Tutorial #1 1. 2. Define Cell Theory. Discuss the similarities & differences between prokaryotes & eukaryotes‚ with diagrammatic illustrations. Discuss the similarities & differences between plant & animal cells‚ with diagrammatic illustrations. Describe the Davson-Danielli model of plasma membrane with diagrammatic illustration. State the function(s) of the following cell organelles: (a) (b) (c) (d) (e) (f) 6. Golgi complex Mitochondria Smooth ER Rough ER Ribosomes Lysosome 3.
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Lab #3 Atomic Structure & Classification of Matter Objectives Write the correct symbols or names of some elements. Describe some physical properties of the elements you observe. Categorize an element as a metal or nonmetal from its physical properties. Given the complete symbol of an atom‚ determine its mass number‚ and the number of protons‚ neutrons‚ and electrons. To identify and classify different types of matter. Background Primary substances‚ called elements‚
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Chemistry Student Handout Question & Answers 1. Most drugs are weak acids or weak bases. Is cocaine a weak acid or weak base? Cocaine is a weak base. 2. A weak acid or base can exist in 2 forms—charged (ionized) or uncharged (unionized). What is the major factor that determines whether the weak acid or base is charged or un- charged? The amount of H+ in comparison to OH- 3. In what chemical form (charged or uncharged) is cocaine snorted? Smoked? Why are they different? Cocaine (unionized) is
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Microbiology: study of small living things study of bacteria: bacteriology study of viruses: virology study of parasites: parasitology study of fungi: mycology NOT ALL BACTERIA ARE PATHOGENS (disease causing) antibiotic: used to treat bacterial infections and diseases (penicillin‚ mold‚ 1929) bioremediation: using bacteria to clean up toxins pathogenesis: ability of an organism to be pathogenic virulence factors: toxins‚ receptors‚ cellular composition innate immune response v.s
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