NAME; BOAKYE SAMUEL ANSAH COURSE; BSC.CHEMISTRY YEAR; ONE INDEX NUMBER; 1026613
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Irritant‚ Flammable 2-chlorobutane 92.57 68 -140 0.870 Flammable‚ Irritant 2-bromobutane 137.02 91 -112 1.250 Flammable‚ Irritant Ethyl Alcohol 46.07 79 -114 0.789 Flammable‚ Irritant Silver Nitrate 169.87 444 212 4.350 irritant Sodium Iodide 149.89 1300 651 3.667 irritant water 18.02 100 at 1atm 0 at 1atm 0.997 none Procedure See Introduction to Organic Laboratory Techniques: A Microscale Approach‚ 5th edition by Pavia‚ Lampman Kriz‚ and Engel pages: 186-189 Experiment 21:
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and the effect that the solvent has on the rates of SN1 and SN2 reactions. The SN1 mechanism is a two-step nucleophilic substitution‚ or unimolecular displacement. In the first step of the mechanism‚ the carbon-halogen bond breaks and the halide ion leaving group leaves in a slow‚ rate-determining step to form a carbocation intermediate. The carbocation intermediate is then immediately detained by the weak nucleophile in a fast‚ second step to give the product. A solution of ethanol with some silver
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r3. 1 Å = 1 x 10–10 m and 1 nm = 1 x 10–9 m and = 3.14 #2 What is the maximum amount of carbon dioxide that can be produced by the combustion of 0.450g of C2H5OH? #3 What mass of FeCl3 would contain the same total number of ions as 16.8 g of Al2(SO4)3? #4 Heating MgSO4•7H2O at 150°C produces MgSO4•xH2O. If heating 24.4 g of pure MgSO4•7H2O at 150°C were to give 13.7 g of pure MgSO4•xH2O‚ calculate the value for x. (a) 5 (b) 4 (c) 3 (d) 2 (e) 1 #5 A sample
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Goals The main goal of this project is to learn how to identify the properties of an unknown ionic compound. In order to do this successfully the group has to use a variety of methods and run several tests on the unknown compound. By doing this the group will be able to identify the different chemical and physical properties of the compound that will help obtain the identity of the specific compound given. The group will devise two syntheses of the compound‚ and compare them for cost effectiveness
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therefore is less reactive than haloalkane towards nucleophilic substitution reaction. 2. Haloalkanes react with KCN to form alkyl cyanide as main product while AgCN form isocyonide. Ans. KCN is‚ predominantly ionic compound and provide cyanide ion : C N in solution. The attack mainly takes place through lone pair of electron on carbon atom due to high electron density and not through nitrogen atom since C-C bond is more stable than C-N bond. AgCN: is mainly a covalent compound therefore‚ nitrogen
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Process Module 1 19 Aug 1999 SRI Consulting Process Summary This Aspen Plus model simulates the production of acetic acid by low pressure methanol carbonylation in the presence of a heterogeneous rhodium (Rh) catalyst and the promoter methyl iodide. It is intended to resemble the Chiyoda/UOP Acetica™ process‚ a novel heterogeneous methanol process for the production of acetic acid. This technology is based on a heterogeneous Rh catalyst in which the active Rh complex is chemically immobilized
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THE s-BLOCK ELEMENTS 291 UNIT 10 THE s -BLOCK ELEMENTS The first element of alkali and alkaline earth metals differs in many respects from the other members of the group After studying this unit‚ you will be able to • describe the general characteristics of the alkali metals and their compounds; • explain the general characteristics of the alkaline earth metals and their compounds; • describe the manufacture‚ properties and uses of industrially important sodium and calcium
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Salts 1. Salts A salt is an ionic compound. The anion part comes from the acid while the cation part comes from a base. Example: KCl‚ KOH(aq) + HCl(aq) KCl(aq) + H2O(l) A salt is a compound formed when the hydrogen ion. H+ from an acid is replaced by a metal ion or an ammonium ion‚ NH4+. Salts Nitrate salts Carbonate salts Chloride salts Soluble All nitrate salts Potassium carbonate‚ K2CO3 Ammonium carbonate‚ (NH4)2CO3 Sodium carbonate‚ Na2CO3 All chloride salts Except Sulphate salts All sulphate
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Form cavity within gel mold Plastic bag Holds gel/ glass combination during liquid gel pour Comb Forms wells within gels Gel casting stand Holds gel mold in place during gel transfer Ammonium Persulfate Reacts with TEMED to form polyacrylamide gel Tetramethyethylenediamene (TEMED) Reacts with ammonium persulfate to form polyacrylamide gel Vertical electrophoresis apparatus Contains running buffer and polyacrylamide gel during electrophoresis 1X Page running buffer Maintains pH in electrophoresis apparatus
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