2 February 2012 [Company Information] Dear HR Resource: I am writing applying for the position of laboratory assistant in chemistry & microbiologist department as it was advertised on the your home webpage. This position really fits well with my education qualifications and career interest. The position requires extensive knowledge in the field of microbiology and chemistry as well as able to conducting analytical and microbiology tests and experiments. During my first year in ITE‚
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a. Title – The first section in a lab report is the title‚ which should be no longer than 12 words and must accurately reflect the content of the laboratory experiment. b. Abstract – The second section of a lab report is the Abstract. The Abstract Is an overview of the experiment in about 250 words‚ while this is the first section that any reader reads. This section should be a summary of the key points of a larger work‚ including the project’s objective‚ methodology‚ and results. Not only is this
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SYNT 0719 – Brominating Alkenes OBJECTIVE The purpose of this lab will be to brominate trans-stilbene by using acetic acid and pyrimidium tribromide by refluxing the mixture. To test the purity of product I will take the melting point which should be around 240 ºC along with a flame test which should be green-blue. CHEMICAL PROPERTIES TABLE See Attached Lab Notebook Copies REACTION MECHANISM In this lab we used multiple techniques to complete and verify the bromination of trans-stilbene
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Erlenmeyer flask. 25 mL of deionized water were then added to the 125 mL flask and stirred with the K2C2O4 until complete dissolution was achieved. Next‚ 4.11 grams of FeCl3 were weighed out using the balance previously mentioned. Once the 4.11 grams were measured‚ the FeCl3 was placed in a 150 mL beaker. Then 10 mL of deionized water were added to the 150 mL beaker and stirred with the FeCl3 until complete dissolution occurred. The oxalate solution (K2C2O4H2O) from the 125 mL Erlenmeyer flask was added
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displayed daily just like the blackboard in our class. To improve the general knowledge through entertainment‚ radio and TV would also be installed where students can spend their lunch‚ recess and proxy periods. I would provide the best equipments in laboratories of my school. I would change the seats of the chemistry lab as they have rusted with all the chemicals fallen on them. To keep the students physically fit and regain their lost energy in studies‚ sports and games will be made an important part
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Animals suffer just as people do. In 2009 animal experimentation was the cause of over 1.13 million animals‚ excluding small rodents‚ suffering in U.S. Laboratories (U.S. Department of Agriculture‚ Animal and Plant Health Inspection Service). Animal experimentation is unethical‚ unnecessary and expensive; alternative methods of testing should be utilized. It is unethical to use the cruel methods of animal experimentation for our own benefit alone. The animals used in research range from birds
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Exploring Rates‚ Equilibrium‚ and Organic Chemistry Brandon Sher SCH 4U For: Ms. Merhai Due date: June 1st‚2013 Introduction: Organic chemistry. Two quantities one could measure with the presence of organic chemicals are chemical equilibrium and rate of reaction. Chemical equilibrium is the ratio between the forward and reverse process of a reaction. This is represented by the equation: K = products / reactants. When a reaction has reached equilibrium‚ the
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tests using pregnant animals confirmed the results‚ these tests became standard for pre-clinical drug testing (Marston and Pycroft). "According to the European Cosmetic and Toiletry and Perfumery Association‚ of the 11.6 million animals used in laboratory tests‚ only 0.3 percent is used in cosmetic testing" (“California Poly State U”). Though this number may be small more than 100 million animals are
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LABORATORY REPORTS WRITTEN FULL REPORTS The text of this report should be approximately 5 pages long (the data and figures will take additional pages). It should be neat‚ legible‚ well organized and include the following : 1. COVER SHEET Title of experiment‚ date of experiment‚ your name and your lab partners. 2. INTRODUCTION Include a brief introduction that explains the purpose of the report and the purpose of the experiment. The introduction should also include any other introductory/background
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Small samples of acetaminophen‚ acetylsalicylic acid‚ cellulose‚ starch‚ and caffeine were obtained. These samples were then placed into seperate sets of test tubes that contained water‚ acetone‚ or dichloroethane. Solubilities were then tested for each sample in each solution which can be seen in Table 5. Next‚ four random pills were obtained and weights were taken of each. Each of the pills were grinded up using a separate mortar and pestle. The grinded up pills were then weighed. The grinded
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