leading to bleeding? 1 (2) Why does a tetrahedral complex of the type [MA2 B2] not show geometrical isomerism? 1 (3) How do you account for the miscibility of ethoxyethane with water. 1 (4) Give the IUPAC name of the organic compound 1 O II (CH3)2 C CH C CH3 = − − (5) Name the monomers of nylon 2 or nylon 6 ploymer. 1 (6) Give one example of an artificial sweetener used by the diabetic patients. 1 (7) Direct nitration of aniline is not carried out. Explain why? 1 (8) What type of linkage holds
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EXPERIMENT NO. 6 LIPIDS I NUR 4 GROUP 9 POLICARPIO‚ JOHN PAUL (A & B) QUERUBIN‚ KIMBERLY (C & D) QUILALA‚ REGENE (E & F1) RAMOS‚ PRACCEDES (F2a & F2b) SABALDICCA‚ VENZ (F2c & F2d) INTRODUCTION Lipids are organic compounds found in living organisms that are insoluble or slightly soluble in water but soluble in non-polar organic solvents. Lipids can be classified into four groups which are -fats‚ oils‚ and waxes‚ -compound lipids‚ -steroids‚ and -derived lipids. Various
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HOW TO FIND OUT POINT GROUP Dr. Cyriac Mathew Symmetry elements can combine in a definite number of ways. For example consider BF3 molecule. It has the C3 axis as the principal axis. Also‚ there are 3 C2 axes perpendicular to the C3 axis‚ 3 σv planes‚ and one σh plane. All these symmetry elements can combine. Take NH3. It also has C3 axis as principal axis. There are 3 σv planes‚ but no C2 perpendicular to C3 or a σh plane. For the N2F2 molecule there exist one C2 axis and a σh plane but
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AS LEVEL CHEMISTRY ASSESSED HOMEWORK Answer all questions Max 86 marks Name …………………………………………………………….. Mark ……../86 ……....% Grade ……… 1. The graph below shows the boiling points of some alkanes. (a) Draw a smooth curve through the points on the graph and estimate the boiling points of octane C8H18‚ ……………… hexadecane‚ C16H34 .……………… [2] (b) State how decane‚ C10H22‚ can be separated from a mixture of the alkanes. .......................................
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Assignment one Introduction: Analysis of sports performance is of great importance to a higher performance sports coach. “Coaching is about enhancing an athlete(s) performance a principal means by which this achieved is through feedback however research as proven that human observation and memory are not reliable enough to provide the detailed information necessary to secure behavioural changes” (Franks and Miller 1986) P101. According to world renowned rugby union coach Graham Henry “A
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CH1 Intro: QA refers to any planned & systematic activity directed toward providing consumers w/ products of appropriate Q‚ along w/ the confidence that products meet consumer’s req. Age of Craftsmanship: skilled craftsperson served both as manuf & inspector. Early 20 century (1900) Frederick W. Taylor father of scientific mgmt separate planning function from execution. Henry Ford total Q practices. 1920 Bell Telephone Labs development of new theories & methods of inspection. Pioneers of QA: Walter
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MODEL QUESTION PAPER 2 PUC II Model Question Paper-2 PUC-II CHEMISTRY Time: 3 hr-15 min. Batch-02 Max Marks: 70 Instructions: i) ii) The question paper has four parts‚ A‚ B‚ C and D. All parts are compulsory Part-A Carries 10 marks Part-B Carries 10 marks Part-C Carries 15 marks Part-D Carries 35 marks iii) Write balanced equations and draw diagrams wherever required (Use log tables and the simple commercial calculator if necessary (use of scientific calculator is not allowed) Part-A I. Answer
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University of Berlin in 1899 and remained there as a Professor from 1906 to 1916‚ in this time he discovered a new oxide of carbon - carbon suboxide C3O2 which was refined from the work of Benjamin Brodie. Carbon suboxide is used to prepare malonate ions CH2(COO)22− and to help fur dye better. Later Diels joined the University of Kiel from 1916 to 1950. in 1922 he developed a new method of dehydrogenating organic compounds‚ by adding selenium as a reagent. This proved to be a valuable asset in determining
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some of the following substances. Water‚ emulsifiers‚ preservatives (which are added to prevent the growth of microorganisms like bacteria and fungi)‚ thickener (to change the consistency‚ for example the chemical compound polyethylene glycol HO-(CH2-CH2-O)n-H)‚ color (to make girls look nice and pretty)‚ fragrance‚ and PH stabilizers. Polyethylene glycol comes from a family of elements called the PEG family and can be found on labels in the form of PEG-6‚ and PEG-150(Aubrey Cosmetics). These compounds
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The table of the physical properties of Ethylbenzene. Chemical and Physical Properties of Styrene Property (Condition‚ method) Common Synonym Vinyl Benzene; phenylethene; ethenyl Benzene; cinnamene Molecular Formula C8H8 Chemical Structure C6H5CH=CH2 Reactivity Readily polymerizes when heated or exposed to light; releases heat and may be explosive. Table 1.3: The table of the chemical properties of Styrene. Property( Condition‚ method) Color Clear‚ colorless to yellowish liquid State/
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