17‚ 2012 Abstract The distillation process was successfully done because of the separation of water from the acetone. When the distillate was lighted with the matchstick it produced flame which indicates that there was more presence of acetone than water. When the sodium nitroprusside‚ sodium hydroxide and glacial acetic acid was added to the distillate‚ it turned to violet. This means that there is the presence of ketone. Introduction Distillation is the process heating a liquid
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an aqueous solution sodium bromide. The sulfuric acid acts as a catalyst in converting the OH functional group of butanol‚ to a better leaving group. In order for this reaction to synthesis 1-Bromobutane‚ four major methods refluxing‚ simple distillation‚ separation‚ and gravity filtration needs to be performed. Chemical Reaction: NaBr‚ H2SO4 NaBr‚ H2SO4 Apparatus: Table of Physical Constants and Reagents: Name | MW | Grams Used | Moles | Density g/mL @ 25°C | Boiling Point°C
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ASynthesis of an alkyl halide Jade A. Chuahiong and Marika Bianca F. Morioka Institute of Chemistry‚ University of the Philippines‚ Diliman‚ Quezon City 1101 Philippines Date Performed: April 25‚ 2013; Date Submitted: April 30‚ 2013 Alkyl halides could be synthesized through several processes and using different compounds as reactants. One of the simplest method used is the addition of a hydrogen halide to an alcohol. In this research‚ tert-butyl alcohol was reacted with cold concentrated
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solvent to another. The process of washing the solutions by phase transfer was used in order to remove impurities from the main solvent layer. Finally‚ the crude product was dried with anhydrous Calcium chloride and purified once more by simple distillation technique. Results and Discussion: Main reaction(s) and Mechanism(s): Reaction: Mechanism: Table of Reactants and Products: Compound Formula weight Volume used (mL) Weight used (g) Moles used Moles required Other
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MIXTURES‚ SOLUTIONS‚ SUSPENSIONS AND COLLOIDS MIXTURES A mixture is a combination made up of two or more different substances which are mixed but are not chemically bonded. There are also types of mixtures such as homogeneous mixtures and heterogeneous mixtures. SOLUTIONS A solution is defined as a homogeneous mixture composed of a solute; a substance dissolved into another substance known as a solvent. They can also be defined as groups of molecules that are mixed up completely in even
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Ethanol Production From Food Waste A PROJECT REPORT Submitted in partial fulfillment of the requirements for the Award of the Degree of Bachelor of Technology (Biotechnology) Under the Guidance of Dr. S.M. Bhatt (Associate Professor) Department of Biosciences By Abhishek Agarwal Registration No. 10809065 Roll No. RB18B2A07 Department of Biotechnology Engineering Lovely Professional University Phagwara –144401 November 2011 CERTIFICATE This is to certify that Abhishek
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simply asphalt. It is obtained by partial distillation of crude petroleum. In North America‚ bitumen is commonly known as “asphalt cement” or “asphalt”. It is a sticky‚ black and highly viscous liquid or semi-solid form of petroleum. The terms asphalt and bitumen are often used interchangeably to mean both natural and manufactured forms of the substance. In American English‚ asphalt (or asphalt cement) is the carefully refined residue from the distillation process of selected crude oils. Outside the
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1 SN2 Reaction‚ Ionic Liquid (Group – hood) Background Reading Solomons and Fryhle Chapter 6 (Substitution/Elimination Reactions) Techniques: Weights and Measures‚ Reflux‚ Liquid-Liquid Extraction‚ Distillation. Introduction The SN2 reaction is a bimolecular nucleophilic substitution reaction where the nucleophile (a molecule with a free pair of electrons) reacts with an alkyl halide and replaces the halogen (for more details see Solomons and Fryle‚ Chapter 6). The nucleophile approaches
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crystals. Caffeine can be prepared by extraction from natural sources or by synthesis from uric acid. The objectives involved in this experiment is to gain experience in using extraction as a method of separation‚ to assemble and use a simple distillation setup in the separation volatile substances from non-volatile materials‚ to determine the boiling pint of a liquid sample and to isolate caffeine from tea and gain experience in chemical laboratory manipulation of plant materials. II Materials
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Melting point 1. What two effects do impurities have on the melting point of an organic compound? Soluble impurities affect the melting point of a solid in the following manner. a. The presence of an impurity in the molten compound reduces its vapor pressure thus lowering the melting point of the compound. b. Broaden the melting point range. 2. For what tow purpose are melting points routinely used a. To determine the identity of an organic solid. b. To determine the purity of an organic solid
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