I) INTRODUCTION * Industrial Chemistry deals with the preparation of products from raw materials through the agency of chemical change * Chemistry is important to Industry by: * Regulating manufacturing processes * Quality Control * Research and Development * Sources of raw materials from the natural environment 1) Lithosphere –Earth’s Crust 2) Hydrosphere – Marine and Oceanic Environment 3) Atmosphere – Air 4) Plants – Biosphere * Classification of Natural
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Q.1 Bond enthalpy of fluorine is lower than that of chlorine‚ why? Q.2 Give the IUPAC name of the following compound: (CH3)3-C-C-COOH ║ O Q.3 On increasing temperature‚ activation energy of a reaction decreases‚ why? Q 4 Which of the following is most effective electrolyte in the coagulative of AgI/Ag+sol? K2SO4‚ MgCl2‚ K4[Fe(CN)6] Q.5 Write the reaction when glucose is heated with excess of HI. Q.6 Which Xe compound has distorted octahedral shape? Q.7 What is the denticity of
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Chemistry 101 Chapter 4 Practice Test February 2013 1. A 20.0-g sample of HF is dissolved in water to give 2.0 102 mL of solution. The concentration of the solution is: a) 1.0 M b) 3.0 M c) 0.10 M d) 5.0 M e) 10.0 M Ans: d) 5.0 M Page: 4.3 2. Which of the following aqueous solutions contains the greatest number of ions? a) 400.0 mL of 0.10 M NaCl b) 300.0 mL of 0.10 M CaCl2 c) 200.0 mL of 0.10 M FeCl3 d) 200.0 mL of 0.10 M KBr e) 800.0 mL of 0.10 M sucrose ANS:
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elements and compounds found in mixtures that make up earth materials. Applying appropriate models‚ theories and laws of chemistry to the range of earth materials allows a useful classification of the materials and a better understanding of the properties of substances. This module increases students’ understanding of the nature‚ practice‚ applications and uses of chemistry. Outcomes: 8.2.1 The living and non-living components of the Earth contain mixtures .2.1 a) Construct word and balanced
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filter flask with side tube‚ three glass capillary tubes‚ a set of melting point apparatus‚ one long hollow glass tubing‚ one electronic balance‚ one heater and the oven Background: Stereochemistry is always encountered throughout organic chemistry. And stereochemistry isomerism can be divided into two classes‚ geometrical isomerism and optical isomerism. Although these categories are not mutually exclusive‚ it is not uncommon to find compounds that exhibit only one or the other of the
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1. What is Chemistry? The study of the composition‚ structure‚ and properties of matter. The processes that matter undergoes and the energy changes that accompany these processes. 2. What is the formula for density? If I give you the density of a substance and the volume‚ you should be able to tell me the mass… Density = Mass/Volume 3. Compare and contrast intensive and extensive properties. Give an example of each. Extensive properties depend on the amount of matter that is present. Such
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Name__________________________ Chemistry 190: Organic Chemistry EXAM 3 Thursday April 21‚ 2011 1. (12) ______ 2. (14) ______ 3. (20) ______ 4. (12) ______ 5. (54) ______ 6. (16) ______ 7. (12) ______ 8. (10) ______ Total (150) ______ The exam consists of twelve numbered pages and an unnumbered cover sheet. Make certain that you have a complete exam. You will have two hours to work on the exam. No books or notes are allowed; however‚ you may use a molecular model set and a calculator
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took my first chemistry class I became mesmerized with the field of chemistry. The idea that I could start with one molecule and change it into a completely different compound both fascinated and thrilled me. I was at a predicament‚ on one hand I wanted to study medicine to help people‚ but I was far more interested in and passionate about the chemical processes and reactions. This changed when I took my first organic chemistry class. I want to make a career by applying chemistry to medicine and
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|General Chemistry Laboratory | |Course Credit |1 unit | |Course Prerequisite |None | |Course Corequisite |General Chemistry Lecture
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Branches of Science Word Formation 5 6 Unit 2 CHEMISTRY What is Chemistry? Plural in English Latin and Greek Plural Fundamental Concepts of Chemistry 13 Unit 3 LABORATORY Laboratory Equipment Countable and Uncountable Nouns Alchemy 19 Unit 4 PERIODIC TABLE Periodic Table Consist‚ Contain‚ Include Chemical Elements British v. American English 27 Unit 5 MATTER States of Matter Revision of Tenses Passive Voice 33 Unit 6 INORGANIC CHEMISTRY Types of Inorganic Chemical Reactions Inorganic Nomenclature
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