LAB REPORT FOR EXPERIMENT #2: PURIFICATION OF ACETANILIDE BY RECRYSTALLIZATION Your name TA’s name Your Partner’s name Lab Section OBSERVATIONS: A. SELECTING A RECRYSTALLIZATION SOLVENT | |Solubility Test (cold) |Solubility Test (hot) | |Water |insoluble |soluble | |pet ether |insoluble
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Have you ever call up to AirAsia customer service hotline? What do you think about the customer service hotline? For me‚ it’s totally a pain to call them up. Why is it so? I recently made a call to the customer service hotline to change my flight to a later date. First when I was connected‚ I get a recorded message that last 30 seconds which is not able to skip by pressing any number. After making the right way into speaking to a customer service representative‚ I was put on the line for more than
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Hamlet: Hamlet is the Prince of Denmark and the son of King Hamlet and Queen Gertrude. Throughout the play it is reveal that Hamlet has an extremely bitter personality mixed with melancholy‚ hatred and disgust‚ which in turn creates a lot confusion for him. He is also seen as hesitant and indecisive when it comes to making important decisions but at the times that matter most‚ he acts on his impulsive. In the being of the play‚ it is revealed how depressed Hamlet is. In act 1 scene 2‚ Hamlet
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Colegio de San Juan de Letran College of Liberal Arts and Sciences Experiment #3 SEPARATION AND PURIFICATION OF ORGANIC COMPOUNDS: CRYSTALLIZATION Gomez‚ Paola Anne M. DOP: 2 July 2013 Student no. : 4120403 DOS: 9 July 2013 Group: Carcinogenic Remarks: _____________________________________________________________________ Engr. C. D. Sanchez Instructor THEORETICAL DISCUSSION Crystallization is a technique which chemists use to purify solid compounds. It is
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Assignment – Due 20th May This assignment is a test of your ability to design and construct a basic questionnaire and write-up how you did so in a style consistent with a journal article. This assignment will be marked out of 100 and will account for 40% of the overall marks for this paper. Make sure you read through this assignment and fully understand what is required of you. Assignment background/rationale Evaluating current practices or whether changes to current practices have had positive
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Man is a pleasure loving animal. He wants diversity of enjoyments. His intelligence has certainly enabled to get a much greater variety of enjoyment that is open to animals. Music. poetry and science‚ football and baseball and alcohol and cigarettes are some from which people of different temperaments and mental make-up derive pleasure. There are still others who undertake hazardous journeys on the uncharted ocean. Some of foolishly expose themselves to frost-bite and other inclemencies of weather
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Discuss a range of analytical techniques used for the purification of proteins What are proteins? Proteins are the main building blocks of life. They are essential for the body and have many different roles . Proteins are made from sequence of amino acids. Protein structure is determined by their sequence of amino acids‚ which are linked by peptide link. Proteins are made from about 50 to 2000 amino acid residues. Figure 1 Why purify proteins? They are many reasons why a biochemist
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CON 210 SYSTEM CONTROLS Solar Air Conditioning Presented by: This report is presented in partial fulfillment of the Associate of Science Degree in Applied Electronics Program at Presented to: July 2‚ 2012 Outline I. Introduction. II. Definition. III. Types IV. Conclusion. Thesis statement In this report‚ we will understand how “solar air conditioning” is being implemented in commercial and residential applications. Does solar air conditioning
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SizAir Elimination & Control In-Line Air Separators The AC models of air separators deliver all the quality and performance you expect from Taco products. They are built to last with shell‚ heads and ANSI flanges with ASME constructed for 125‚ 150‚ 250 and 300psi working pressures all while providing outstanding performance in the field‚ up to a maximum operating temperature of 375˚F. The AC product line is available in standard sizes from 2” through 20” to meet the needs of a broad range of
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Indoor Air Quality INDOOR AIR QUALITY: INTRODUCTION The connection between the use of a building either as a workplace or as a dwelling and the appearance‚ in certain cases‚ of discomfort and symptoms that may be the very definition of an illness is a fact that can no longer be disputed. The main culprit is contamination of various kinds within the building‚ and this contamination is usually referred to as "poor quality of indoor air". The adverse effects due to poor air quality in closed spaces
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