CHE 213-451 11-1-11 Title: Radical Chlorination of 1-Chlorobutane Abstract: The purpose of the lab is to form 4 different dichlorobutanes by reacting chlorine radicals with 1-chlorobutane. This is then analyzed by gas chromatography to determine the experimental abundance of each isomer. Results: 1‚1-dichlorobutane had an experimental abundance of 5.9%‚ 1‚2-dichlorobutane had an experimental abundance of 21.1%‚ 1‚3-dichlorobutane had an experimental abundance of 48.7%‚ 1‚4-dichlorobutane
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Topic 10 Rate of Reaction Part A Unit-based exercise Unit 36 An introduction to rate of reaction Fill in the blanks 1 concentration; time 2 instantaneous 3 a) the gaseous product / carbon dioxide evolved b) loss in mass 4 a) colorimeter b) standard alkali c) the gaseous product / carbon dioxide evolved 1 time to reach the opaque stage 5 transmittance; 6 hydroxide; titrimetric True or false 7 T In the oxidation of methanoic acid by bromine‚ the intensity of the orange colour of bromine
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Chemistry vacation Assignment Standard -X 1. Name a sodium compound which is used for softening hard water 2. Write the chemical name and formula of baking soda? 3. What will happen if the solution of sodium hydrogen carbonate is heated? Give the equations of the reaction involved? 4. Write the chemical name and the formula of bleaching powder. 5. Write the chemical formula of plaster of Paris? 6. What will happen if heating is not controlled while preparing
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What’s in a “Chemical”? Jordan Butt and Alexandra Porter Bleach Table of Contents HOUSEHOLD CHEMICAL – Bleach * Page 4 : Product Use * Page 5 : Chemical Ingredients * Page 6 : Associated Symbols * Page 7 : Suggested Precautions * Page 8 : Possible Health Effects * Page 9 : Possible Environmental Effects * Page 10 : Disposal recommendations CHEMICAL COMPOUND – Sodium Hypochlorite * Page 12 : The Basics * Page 13 : Chemical Properties * Page 14 : Physical Properties
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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education .c rs om *2925136620* CHEMISTRY Paper 3 (Extended) 0620/33 May/June 2012 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a pencil for any diagrams‚ graphs
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CHEM 1411 – General Chemistry I Practice Problems‚ Chapters 1–3 Chapter 1 – Chemistry: The Study of Change 1. Element‚ compound‚ homogeneous mixture (solution)‚ or heterogeneous mixture: a) orange juice b) brass c) 0.9% saline (NaCl) solution d) garden soil e) room air f) methane gas g) sodium metal h) N2 gas i) Cu(NO3)2 crystals (freshly-squeezed) 2. Define (some of these terms are found in Chapters 2 and 3): a) c) e) g) i) k) m) o) 3. b) d) f) h) j) l) n) compound physical change
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0.7893 g/cm 3 1.54 g/cm 3 0.6603 g/cm 3 0.716 g/L 0.7914 g/cm 3 1.27 g/cm 3 −119 79 Decompose 69 86 −95 −182 −94 86 −164 65 Decompose Inorganic Substances Name *Density @ STP Melting Point (°C) Boiling Point (°C) Chlorine Hydrogen Hydrogen chloride Hydrogen sulfide Nitrogen Nitrogen monoxide 3.21 g/L 0.0899 g/L 1.640 g/L 1.54 g/L 1.25 g/L 1.34 g/L 1.43 g/L 2.532 g/cm 3 2.165 g/cm 3 2.92 g/L 1.00 g/cm 3 −101 −35 −259 −115 −85 −253 −85 −61 −210
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Examination #2 - Chapters 4‚5‚ and 6 Study Guide Chapter 4 - Chemical Quantities and Aqueous Reactions * Reactions Stoichiometry * mole-mole conversions * mass-mass conversions * Limiting Reactants * What is the Limiting Reagent * How do we find the L.R. * Solutions * Molarity - definition and how to calculate * Dilutions Calculations (M1V1 = M2V2‚ careful with M2) * Solution Stoichiometry * volume-volume conversions * volume-mass
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ICT Design DC DPP CE MS GRADE 11- CHMISTRY INVESTIGATION investigating the properties of Period 3 oxides Aim The purpose of this experiment is to examine the oxides of Period 3 elements and describe their bonding and structure. Introduction You carry out an investigation along similar lines to the work you did on the chlorides of the elements in Period 3 (Experiment 4.12). However‚ you will not be asked to test the oxides with cyclohexane because unlike the covalent chlorides
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level CHEMISTRY Paper 1 Multiple Choice May/June 2005 1 hour Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 5070/01 w w w e tr .X m eP e ap .c rs om READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the answer
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