SKPP 1313 Fundamentals of Petroleum Engineering Quiz 1 (20 marks) Name: _____________________________________________________ Answer all questions 1) Petroleum engineer can be divided into several groups. Name one of them and briefly explain his main duty. [3 marks] __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________
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contain aldehydes‚ not contain methyl ketones‚ and have a melting point around 104-105 oC. Looking at the table of compounds that the unknowns could be in Table 3.1‚ there are only three compounds that contain aldehydes and are insoluable‚ which are benzaldehyde‚ n-Heptanal‚ and cinnamaldehyde. Out of these three compounds‚ only n-Heptanal is close to the melting point found. The reason that n-Heptanal’s melting point of 108oC is slightly off from the experimental melting point range found of 104-105 oC
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Unit 4 Assessment 2-Benzoic Acid Synthesis Synthesis and Investigation of Benzoic Acid Our aims: Create benzoic acid using benzaldehyde and hydrogen peroxide. Then remove some impurities from the benzoic acid crystals. Apparatus: Titration Pipette (25 cm3) Burette (50 cm3) Retort stand Clamp Conical flask (250 cm3) Volumetric flask (250 cm3) and stopper White tile Beakers (250 cm3) Dropping pipette Filter funnel Deionised water Phenolphthalein indicator Volumetric flask
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Hans Fischer is a well known chemist who was awarded the Nobel Prize for chemistry in 1930. The animal’s’ natural coloring matter‚ tissue of plants‚ and red blood pigments is what Hans Fischer dedicated his scientific career to. Because Hans Fischer’s father was the director of the chemical dye‚ Hans was well acknowledged of the color of chemicals‚ which is known as the chemistry of color. Hans Fischer was one of the best chemist‚ because he was awarded the Nobel Prize‚ researched biological pigments
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Defining Terms What exactly is cancer? How can it be treated? These are questions that many people have wondered when they hear of a loved one being diagnosed. Many forms of cancer treatment are widely used in today’s society‚ but two methods can be further discussed in more detail. It is important to know the pros and cons of each method‚ thus making it easier to decide which one will work best for a situation that may be encountered. The first is chemotherapy‚ and the many forms of chemotherapy
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Notes Aldehydes and Ketones The major similarity between an aldehyde and a ketone is the carbonyl group. A carbonyl group is a carbon atom doubly bonded to an oxygen atom. [pic] Both molecules have a carbonyl group‚ the difference the number of carbons bonded to the carbonyl carbon. An aldehyde will have none or one and a ketone will have two carbons. All aldehydes‚ except formaldehyde‚ will have a hydrogen atom on one side of the carbonyl carbon and at least on carbon on the other side
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Preparation of Dibenzalacetone by the Aldol condensation David o Neill Date of experiment: 14/12/2011 Apparatus Steam bath‚ ice bath‚ Buchner funnel‚ beaker‚ conical flask‚ filter paper‚ TLC apparatus‚ Melting point apparatus Materials / chemicals Benzaldehyde‚ acetone‚ ethanolic sodium hydroxide‚ ethanol Introduction The synthesis of dibenzalacetone is formed from an Aldol condensation reaction. An Aldol condensation reaction is a very effective way of forming a carbon – carbon bond reaction‚ in which
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3.1. Influence of the catalyst on synthesis of Benzimidazole Initially‚ we began with catalyst free reaction by stirring reaction mixture of a and b in ethanol at room temperature. Additionally‚ several reactions were performed using various catalysts in different reaction conditions and results are summarized in Table 1. The catalyst free reaction fails to produce selective benzimidazole and conversion of reactants in long reaction time and obtained only 21 % conversion with 13 % selective yield
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Preparing nitriles from carbonyl compounds is useful in reactions because nitriles are versatile functional groups1. Not only are they versatile functional groups but they serve as precursors in several transformations. The cyano-group is found in many bioactive molecules and plays a role in hydrogen bonding to certain biological receptors.4 Nitriles are carboxylic acid derivatives because they can easily be converted to carboxylic acid under either basic or acidic conditions. Piperonal is an aromatic
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Melting Point Observed (Product): 92.3-94°C Theoretical Melting Point of Benzoin: 132°C Theoretical Melting Point of Benzil: 94.5°C Discussion and Conclusions: The purpose of this experiment was to prepare benzil by first converting benzaldehyde to benzoin by the benzoin condensation‚ then oxidizing benzoin to benzil. The benzoin condensation was carried out using thiamine hydrochloride‚ or vitamin B1‚ as a catalyst. The percent yield of the product was sub-par. It was found to be 54
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