y BACHELOR OF COMPUTER APPLICATIONS (BCA) ASSIGNMENTS Year‚ 2013-2014 (5th Semester (Revised Syllabus)) (BCS-051‚ BCS-052‚ BCS-053‚ BCS-054‚ BCS-055‚ BCSL-056‚ BCSL-057‚ BCSL-058) SCHOOL OF COMPUTER AND INFORMATION SCIENCES INDIRA GANDHI NATIONAL OPEN UNIVERSITY MAIDAN GARHI‚ NEW DELHI – 110 068 CONTENTS Course Code Assignment No. Submission-Schedule Page No. For July-Dec 2013 Session For Jan-June 2014 Session BCS-051 BCA(V)-051/Assign/13-14 15th October
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Wall is thick and muscular with hypertrophied mucosa. 5. The fistula with the genitourinary tract is large‚ muscular and long. 6. The pattern changes suddenly and sharply. There is no transitional zone between the pouch colon and the normal bowel. Types : Management The aim of surgery Is to utilize the available length of colon for absorption and storage capacity as well as for propelling fecal matter onward with a continent anal opening. Incomplete CPC‚ the pouch can be excised
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Conversion of Alcohols to Alkyl Halides Title: Conversion of Alcohols to Alkyl Halides Abstract: In this experiment the conversion of alcohols to alkyl halides are investigated through reflux and simple distillation. These are common procedures used to separate substances. After the reflux and distillation is complete 13C NMR and IR spectrum is used to identify the product or products for each reaction: 1a‚ 1b‚ and 2. Every individual in the group was assigned either 1a (1-propanol) or 1b (2-pentanol)
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Gauss-Jordan Matrix Elimination -This method can be used to solve systems of linear equations involving two or more variables. However‚ the system must be changed to an augmented matrix. -This method can also be used to find the inverse of a 2x2 matrix or larger matrices‚ 3x3‚ 4x4 etc. Note: The matrix must be a square matrix in order to find its inverse. An Augmented Matrix is used to solve a system of linear equations. a1 x + b1 y + c1 z = d1 a 2 x + b2 y + c 2 z = d 2 a3 x + b3 y + c3 z = d 3
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Experiment #7 Fall 2014 Dehydration of an alcohol NAME Nick Weinberger POSTLAB 1. Show the mechanism for the dehydration of -tetralol under conditions employed in the lab. Show all intermediates‚ and show electron flow with arrows. 2. What general mechanism most likely applies to this reaction (SN2‚ E2 etc)? E1 3. Why was acid employed in this reaction? The acid was used to protonate the leaving group (OH) to form water which is a much better leaving
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Statement of Purpose II In life there is the path imagined & the path followed. The difference between these two paths is our experience. My experience on the path to becoming a Registered Nurse began in the fall of 1998 at West Chester University. For as long as I could recall I was possessed of an unmitigated passion for taking care of others. This passion‚ I was sure‚ this joy I found in helping others that seemed so much a part of who I was‚ would propel me through my undergraduate classes
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Title: Competing Nucleophiles (Exp 24‚ pp 211-221‚ pp 808-823‚ pp 836-842) Purpose: The purpose of this experiment is to determine the nucleophilic strength of chloride and bromide ions as it reacts with 1-butanol (n-butyl) and 2-methyl-2-propanol (t-butyl alcohol) under SN1 and SN2 conditions. Method: 40 g of ice and approximately 30 ml of sulfuric acid is cautiously added to a 100 mL beaker respectively. Weigh 7.6 g of ammonium chloride and 14.0 g of ammonium bromide and place it in
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least one carbon-carbon double bond‚ are important functional groups in natural and synthetic compounds. One method that they can be synthesized is through elimination reactions‚ which form alkenes with the net loss of a leaving group and an H+ on an alpha carbon. Atoms must be attached to adjacent carbons in order to be eliminated. Elimination reactions occur most commonly through E1 and E2 mechanisms. The specific mechanism that occurs depends on various conditions. The various conditions include
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Irritable bowel syndrome (IBS) is a common gastrointestinal (GI) disorder in developed nations including the USA. This disorder is characterized by abdominal pain and altered bowel habits. IBS also affect the large intestine (colon). This commonly causes cramping‚ bloating‚ gas‚ diarrhea and constipation. You will need to manage this condition long term because it is chronic. Some people can control their symptoms by managing diet‚ lifestyle‚ and stress. Others will need medication and counseling
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Summary of Chapter 11 Material SN2 Reaction Substrate: NO SN2 ON A TERTIARY HALOALKANE!! order of reactivity is as follows: Methyl > 1 > 2 Sterically less hindered substrates have faster rates in SN2 Nucleophile: If the reacting atom is the same in a series‚ nucleophilicity parallels basicity (i.e. -OH > -OCH3 > -OCH2CH3 > H2O) For the halogens in GAS PHASE: F- > Cl- > Br- > IFor the halogens in SOLUTION: I- > Br- > Cl- > F- (due to solvation of nucleophile‚ rendering it inactive) Negatively
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