Preparation of Bromotriphenylmethane Abstract The structure of a major component of star anise oil was derived by analyzing its IR spectroscopy melting point of after oxidation and purification. From the evidence obtained‚ it was concluded that the exact structured should be p-methoxybenzoic acid. Introduction The purpose of this experiment is to determine the structure of the major component of star anise oil. It is already known that this component has a molecular formula C10H12O. This
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Learning Activity 1 Preparation of Acetanilide Abstract Recrystallization is a common method of purifying organic substances through the difference in solubility at different temperature. In this experiment‚ acetanilide was produced by acetylation of aniline with acetic anhydride. The crude acetanilide was dissolved in a solvent in a heating water bath. The solution was cooled slowly in an ice bath as crystals form out. As the compound crystallizes from the solution‚ molecules of other compounds
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Preparation of Potassium Chloride 10% (w/v) Oral Solution Questions: 1. One source of potassium chloride occurring in nature is carnallite. What is its chemical formula? What are the others sources of potassium chloride? KMgCl3• 6H2O Other sources: • Sylvite • Halite 2. What are the therapeutic uses of potassium chloride? -drug used to maintain or restore potassium levels in patients with potassium deficiency‚ which can cause such problems as thirst‚ fatigue‚ low blood
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Differences in competencies between the Associate - degree level and Baccalaureate- degree level in Nursing Grand Canyon University: NRS-430V | Nursing History‚ Theories‚ and Conceptual Model Differences in competencies between nurses prepared at the Associate degree level versus Baccalaureate degree level in nursing. In this modern age‚ Nursing is no longer limited to just bedside patient care. Nursing is now evolved into a complex‚ multispecialty‚ sophisticated and an important component
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reaction‚ C=C B bond is replaced by hydroxyl group (Hornback‚ 2006). Overall reaction: (McFadden‚ 2012) In the first step‚ the mixture of water‚ concentrated sulphuric acid‚ and cyclohexene was shaken vigorously until it became a homogenous solution. Followed by‚ the addition of water‚ and the distillation process lead to the hydrolysis of the alkene. Finally‚ addition of diethyl ether to the mixture then distillation took place to be purified and to obtain the final product‚ cyclohexanol (McFadden
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approx.15 ml of 1mol/L Na2CO3 solution.Shaked‚drained and discarded the lower layer leaving the ester in the separating funnel. Diagram : Observations : From our results‚the ester we made produced a light banana smell. In this experiment for preparation of an ester as the alcohol used was pentanol and the acid used was glacial acetic acid‚ added conc.sulfuric acid a dehydrating agent used to remove the moisture‚ safety was a priority in this experiment as this were all highly poisonous‚highly
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Educational Preparation Lara M. Abdallah Grand Canyon University: Professional Dynamics May 17‚ 2011 The different options to obtain a nursing degree‚ while having the same outcome‚ are not always the best option. While the Associate (AND) Degree nurse is able to take and pass the NCLEX exam there are stark differences with the Bachelor (BSN) Degree nurse. Length of time‚ cost‚ experience‚ and educational training. While the BSN nurse was trained two years in the classroom and three years in
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JOB INTERVIEW PREPARATION Preparing for Your Interview Review all of the information you have about the position. If you are working with a headhunter or recruiter‚ ask all the questions you want before you arrive. Learn all you can about potential employer.  Get a copy of the company’s annual report and read it.  Visit the company’s web-site on your PC or at your public library. This will be your most up to date view of the company.  Be prepared to discuss the company’s
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Experiment 14: Preparation of 1-Bromobutane Goal: To prepare 1-Bromobutane by the SN2 reaction from 1-Butanol with Sodium Bromide and Sulfuric Acid. Mechanism: Procedure: 1. Place 27g of NaBr‚ 20mL of n-butyl alcohol‚ and 30mL of water into a 250mL round bottom flask. 2. Put the mixture in an ice-water batch and cool briefly‚ then slowly add 23 mL of conc H2SO4 while stirring with a magnetic stirrer. 3. Place a water-cooled condenser and heat the flask until the mixture boils while
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Educational Preparation Grand Canyon University Professional Dynamics NRS-430V-0102 Educational Preparation Life is the largest ongoing educational facility in the world‚ and attendance is mandatory for all living breathing individuals. Nothing prepares an individual for life or its many lessons‚ as the old saying goes‚ “You live and you learn.” While we are all students daily in life’s university‚ we have many areas of individuality to grow‚ achieve‚ and seek knowledge. One aspect of individuality
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