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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Hornes-Emmons-Wittig reagent to generate an enolate anion of trimethyl phosphonoacetate instead of a phosphorus ylide. The methyl trans-4-methoxy cinnamate produced is then analyzed using melting point and 1H NMR spectroscopy. Theory The Wittig reaction prepares alkenes from carbonyl compounds by attacking a phosphorus ylide with a nucleophilic carbon atom stabilized by a triphenylphosphonium group. An ylide is a compound that contains two oppositely charged atoms bonded together with complete octets and is generated
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Experiment 5- Competing Nucleophiles Table of results: Area (mm²) Percent composition 1-bromobutane 511 85.02% 1-chlorobutane 90 14.98% 2-bromobutane 432.25 78.63% 2-chlorobutane 117.5 21.37% 2-bromo-2-methylpropane 280 37.58% 2-chloro-2-methylpropane 465 62.42% Discussion: 1. In 1-butanol Base on the data table‚ 1-bromobutane dominated the composition of 85.02%‚ which indicates the conclusion that the mechanism for 1-butanol is SN2‚ and bromide is a better nucleophile
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EXPERIMENT 1: REACTIONS OF ENOLATE IONS WITH CARBONYL GROUPS Aims In this experiment we used two techniques for the reactions of enolate ions with carbonyl groups. One technique used was Doebner reaction and the other technique used was Claisen-Schmidt reaction. Therefore the aim of this experiment is to synthesize trans p-methoxycinnamic acid and to synthesize dibenzalacetone via an aldol condensation reaction between acetone and benzaldehyde. The products would be recrystallized using ethanol
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Surname Centre No. Candidate No. Paper Reference(s) Initial(s) Paper Reference Signature 7 0 8 1 7081/01 0 1 Examiner’s use only London Examinations GCE Chemistry Ordinary Level Paper 1 Wednesday 12 January 2011 – Afternoon Time: 1 hour 15 minutes Materials required for examination Nil Items included with question papers Nil Team Leader’s use only Question Leave Number Blank 1 2 3 4 5 6 7 8 9 Instructions to Candidates In the boxes above‚ write your centre number
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Gaseous State Start Practice | Polymers Start Practice | | | "Do if you have Time" Chapters | Aldehyde Ketone Start Practice | Solutions Start Practice | Solid State Start Practice | Mole Concepts Start Practice | Alkanes‚ Alkenes and Alk... Start Practice | Surface Chemistry Start Practice | Nuclear Chemistry Start Practice | Purification Characteriz... Start Practice | Environmental Chemistry Start Practice | Electrochemistry Start Practice | | |
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Experiment 1: Isolation of Casein from Milk * pH of milk – 6.6 * milk = 87.1% water‚ 4.9 % CHO 3.9 %‚ fats‚ 0.7% minerals Experiment 2: Protein Hydrolysis and Characterization | Reagents | Principle | Test for | Positive Result | Negative Result | Biuret | CuSO4‚ NaOH | Complexation of Cu+2 with amide N atoms | Polypeptide bonds | Violet/purple solution | Blue color solution | Sakaguchi | 10% NaOH‚ 0.02% α-naphtol solution‚ 2% NaOBr | arginine condenses with α-naphtol and NaOH
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C. carbon. D. oxygen. 14. Which of the following is not a halogen element? A. Chlorine B. Bromine C. Fluorine D. Oxygen 15. All chemical compounds can be divided into two classes. These classes are A. hydrocarbons and alcohols. B. alkanes and alkenes. C. aliphatic and aromatic. D. inorganic and organic. 16. Acetic acid is a compound known as A. bleach. B. mouthwash. C. vinegar. D. ammonia. 17. A carbon compound that contains oxygen between two hydrocarbon groups is known as a/an A. ether. B
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DETAILED LESSON PLAN IN ADVANCED CHEMISTRY IV- Euler LEARNING OBJECTIVES At the end of the lesson‚ students are expected to: Write the IUPAC name of certain alcohol compounds; SUBJECT MATTER Topic: Nomenclature of Carboxylic Acid References: General‚ Organic and Biochemistry by Denniston‚ Topping and Caret. Page 283-289. Fundamentals of General‚ Organic and Biochemistry by John R. Holum. Page 418-425. Materials: Ball and stick model of compounds Overhead projector Textbooks Pictures of certain
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Phenol‚ also known as carbolic acid‚ is an aromatic organic compound with the molecular formula C6H5OH. It is a white crystalline solid that is volatile. The molecule consists of a phenyl group (-C6H5) bonded to a hydroxyl group (-OH). It is mildly acidic‚ but requires careful handling due to its propensity to cause chemical burns. Phenol was first extracted from coal tar‚ but today is produced on a large scale (about 7 billion kg/year) from petroleum. It is an important industrial commodity as a
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