Organometallic preparation and addition to carbonyls‚ Wittig reagent preparation and Wittig rxn‚ Wolff‚ H-based nucleophile carbonyl reduction‚ imine formation‚ reductive amination (rxn only)‚ ketal/acetal formation‚ dithiane chemistry (rxn only)‚ alpha-bromination of ketones‚ -COOH properties (the trends on HW4)‚ Fischer‚ acidic/basic hydrolysis of esters/amides/nitriles‚ CH2N2‚ acid chloride formation (rxn only)‚ acid chloride rxns with esters and amides. 2 Rxn of carboxyllic acid derivatives
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Key Questions Lesson 1 1. One argument against continuing research on the atom is that the cost continues to increase at an alarming rate‚ and the benefits seem to be declining. Whereas quantum chemistry experiments as early as 80 years ago were very cheap and yielded considerable practical results‚ now very few if any practical results are emerging‚ but the costs of experiments continues to increase. On the other hand a common argument for the continued
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|Faculty of Engineering & Science | |Unit Code |: |UEMK1013 | |Course |: |Chemical Engineering | |Unit Title |: |Chemistry for Engineering | |Year/ Semester |: |Year 1/ Trimester 1 | |Lecturer |: |Dr. Loh Han Chern | |Session |: |201101
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CHEM 301 LECTURE Unit 1 0 . COORDINATION CHEMISTRY Factors t hat affect solubility: Common ion: decrease in solubility Complex ion: increase in solubility How does complex ion formation increase solubility? Consider the complex ion formation between silver and ammonia: + Ag + 2NH3 A g(NH3 )2 + Kf = 1 .5 x 10 7 where Kf i s the formation constant (always >1 ‚ formation of the complex is highly favorable) Complex ion formation increases the solubility of sol ids in water
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Abstract Christy Light Period 2 “Comparing the Coolant Effects of Dry Ice and Ice” What we learned in this lab is how to compare the abilities of dry ice and solid water to act as heat absorbers. This mean that we had to compare which substance had the better result of absorbing more heat. We also learned to determine which substance was the most cost effective. We also learned how to determine the amount of heat each substance absorbed and compare which one absorbed the most heat. The first
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experimental techniques which can be used to tell us where the atoms are located in a molecule. Using advanced techniques‚ very complicated structures for proteins‚ enzymes‚ DNA‚ and RNA have been determined. Molecular geometry is associated with the chemistry of vision‚ smell and odors‚ taste‚ drug reactions and enzyme controlled reactions to name a few.
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ical Chemistry 1.which of the following pairs of compound will react? iC3H6+Br2 iiC3H6+Cl2 in sunlight iiiC3H6+H2O in the presence of sulphuric acid ivC3H6+H2O in the presence of concentrated sulphuric acid a.i b.i‚iii c.i‚ii‚iii d.all 2.liqiud y reacts with magnesium metal to produce a gas that burns with a pop sound when a flaming wooden splint is placed near it.liqiud y is most likely a compound that has the formula a.c2h5oh b.hcooh c.h3cooch3 d.c6h14 3.a compound p has the
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H2O Comment Oxidation of the side chain is more effective in alkaline than acidic conditions. Haloalkanes R–X where R is an alkyl group; X is Cl‚ Br or I C–X Add silver nitrate in alcohol and warm: White precipitate for C – Cl group; cream-coloured precipitate for C – Br group; yellow precipitate for C – I group Alcohols CH3CH2OH ethanol – OH (a) Add solid PCl5: White fumes of HCl liberated C2H5OH + PCl5 → C2H5Cl + POCl3 + HCl(g) (b) Add glacial ethanoic acid and a few
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Ice man Have you ever been treated unfairly? Have you ever been treated like you have no rights at all? Most people have‚ but few of them have been treated as badly as Victor and his friends were in “Ice Man” written by Elmore Leonard‚ just because they are Native Americans. “Ice Man” is fiction. In “Ice Man” the narrator is an unknown 3rd person narrator. He does not enter the characters minds‚ he only tells us what they say and what they do. And therefore he must be a person that does not take
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Extraction of Aluminium Aluminium ore is called bauxite. Bauxite contains aluminium oxide‚ water‚ iron oxide and other impurities. The purified dry ore‚ called alumina‚ is aluminium oxide (Al2O3). The alumina must be molten for electrolysis to work‚ since the ions are not free to move in the solid state. Unfortunately‚ alumina has a high melting point (2040 °C) and it is not practical to do electrolysis at such a high temperature. In the middle of the nineteenth century it was found that alumina
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