sodium hydroxide and acted as a nucleophile to attack the benzaldehyde. A water-cooled condenser was used to heat the solution at reflux. Vacuum filtration was used to wash and dry the product. The benzoin product was recrystallized by dissolving with a H2O/95% ethanol (2:1‚ v/v) solution and heated to reflux. Vacuum filtration was used to wash and dry the product. Introduction/Background: Introduction: Discussion of the mechanism of the performed reaction; discussion
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements about crystalline and amorphous solids is TRUE? A) An example of a crystalline solid is glass. B) An amorphous solid is composed of atoms or molecules with a majority of its volume empty. C) A crystalline solid is composed of atoms or molecules arranged with long-range repeating order. D) An example of an amorphous solid is table salt (NaCl). E) All of
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capitalism. Capitalism is our goal in life‚ to climb up the ladder of success through hard work and school. This man is doing neither and is rebelling against our very system. On the other hand‚ if this man was a young gangster who covered himself in bling and rode around in a fancy caddalic‚ there would still be this stigma attached to his wealth
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2.Fe + V2O3 ( Fe2O3 + VO 3.KMnO4 + KNO2 + H2SO4 ( MnSO4 + H2O + KNO3 + K2SO4 4.K2Cr2O7 + SnCl2 + HCl ( CrCl3 + SnCl4 + KCl + H2O 5.KMnO4 + NaCl + H2SO4 ( Cl2 + K2SO4 + MnSO4 + H2O + Na2SO4 6.K2Cr2O7 + H2O + S ( SO2 + KOH + Cr2O3 7.KClO3 + C12H22O11 ( KCl + H2O + CO2 8.H2C2O4 + K2MnO4 ( CO2 + K2O + Mn2O3 + H2O 9.Mn(NO3) 2 + NaBiO3 + HNO3 ( HMnO4 + Bi(NO3) 3 + NaNO3 + H2O 10.H2C2O4 + KMnO4 ( CO2 + K2O + Mn2O3 + H2O Oxidation Reduction Worksheet Answers
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the attractive forces between molecules are. 3. Identify the type of molar enthalpy for each reaction below: a) MgCl2 (s) → Mg2+ (aq) + 2 Cl- (aq) ΔHsol b) CH3COOH (aq) + NaOH (aq) → CH3COONa (aq) + H2O (l) ΔHneut c) H2O (l) → H2O (s) ΔHfr 4. There are three modes of molecular motion associated with energy. Identify the mode(s) of molecular motion available to helium gas (He) and compare to those of nitrogen gas (N2). Which gas has the
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Primary Alcohol( carboxylic acid Secondary Alcohol( ketones Tertiary( none Phenols Reaction with bromine/water (Confirms if phenol compound) Reagent: bromine in H2O Observation: Disappearance of orange-brown bromine color‚ then formation of white precipitate Procedure: 3 drops phenol soln on test tube+ Br in H2O drop by drop while shaking‚ observe formation of ppt Oxidation by KMnO4 (Confirms if phenol compound) Reagent: aqueous neutral KMnO4 Observation: purple color( brown color
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Environmental Chemistry and Analysis Prof. M.S.Subramanian MODULE 1.5 Advanced Waste Water Treatment Removal Of Suspended Solids Microstraining Coagulation and flocculation Filtration Removal of dissolved solids Ion exchange Reverse osmosis Electrodialysis Removal of nitrogen Phosphate removal (chemical treatment) Phosphate removal (biological treatment) Removal of dissolved organic compounds Adsorption Sludge treatment and disposal Disinfection 1 2 2 3 3 4 6 7 8 9 10 10 10 11 13 Indian
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Once upon a time three rappers named Bill‚ Jill‚ and Hill decided to start a rap band. A big rapping competition was coming up and they were going to enter. The “Big Show” took place on a cargo ship in the middle of the ocean. Jill was the lead rapper and he was in charge of the song they sang. Bill was in charge of their outfits‚ while Hill was going to make up the dance moves. They decided to call themselves the “The Little Big Rappers.” They only had one week to prepare for the show‚ and they
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OXIDATION-REDUCTION TITRATIONS REDOX TITRATION • involves oxidizing agents and reducing agents titrants and analytes • oxidizing agents used as standard solutions: potassium permanganate‚ KMnO4 potassium dichromate‚ K2Cr2O7 iodine‚ I2 ceric sulfate‚ Ce(SO4) 2 potassium iodate‚ KIO3 REDOX TITRATION • reducing agents used as standard solutions: ferrous sulfate‚ FeSO4 oxalic acid‚ H2C2O4 sodium oxalate‚ Na2C2O4 sodium thiosulfate‚ Na2S2O3 titanous chloride
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Tasia Walker Masculinity in Rap and Hip Hop Today in Hip Hop every rapper has to portray themselves as being hard‚ having a lot of girls in their circle and having money. Since the beginning of the American society being considered a real man was to be able to protect their families. When television came around western films portrayed men as either strong or weak and defined their masculinity as being the stronger man because of their guns. For
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