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9 Pages
Exam 1 - S2006
Course: CHEM 2370, Fall 2007School: North Texas
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North Texas - MATH - 1680
North Texas - CHEM - 2370
14. Wrhich cc7mpound would have the highest boiling point? A) CE3CHCH3/5. IF the role of the solvent is to assist in the preparation and stabilization of the Gfignmd reagent by coordination with the magnesium, which of these solv_entsshould be
North Texas - MATH - 1680
September 26, 2001Page 1 of 6September 26, 2001 _ Dr. S. A. DandekarCHEM 2370 Exam 1 (100 points)NameWrite all answers on these sheets, using additional sheets if necessary. Show all work for possible partial credit, even for multiple choic
North Texas - CHEM - 2370
CHEM 2380Page 1 of 7CHEM 2380 _ Dr. S. A. Dandekar September 25th, 2001Exam 1 (100 points)NameAnswer all questions on these sheets, using additional pages if necessary. Show all work for possible partial credit. GOOD LUCK! Section A: 64 poi
North Texas - CHEM - 2380
CHAPTER 20AMINES- - NOMENCLATURE - - PHYSICAL PROPERTIES - - BASICITY - - SYNTHESIS - - REACTIONS - - ARENEDIAZONIUM SALTS - - ELIMINATION REACTIONS - - ANALYSISNOMENCLATURE:ALKANAMINE - - SEE e.g. p 944 945- - 1, 2, 3 AMINES - - # CARBONS AT
North Texas - CHEM - 2380
Chapter 20 Answers1. a) 53.0% 2.50% b) 47.0% 2.50% c) Yes, about 66% 2. a) 45.5% 0.75% (Use correction factor) b) 52.8% 0.75% c) No, because we are drawing without replacement and the sample size is too large relative to the population size. 3.
North Texas - CHEM - 2380
Chapter 21 Answers1. a) 72% 2.24% b) Yes, (67.5%, 76.5%) 2. a) 3% 1.71% b) No, the sample percentage is too far skewed to use the normal approximation without taking a larger sample. 3. a) Yes, (39.9%, 46.1%) b) Yes, (9.9%, 14.1%) 4. a) 54.3% 3.1
North Texas - CHEM - 2380
Chapter 23 Answers1. a) 4.2 0.04 b) Yes, (4.12, 4.28) 2. a) 12.6 0.447 b) Yes, (12.15, 13.05) 3. a) 14 0.0632 years b) No, the SD for the population is approximately 2, not 0.0632 years 4. (2.21, 2.39) 5. No, because the 99.7% confidence interval
North Texas - CHEM - 2380
Chapter 19 Answers1. Possible answers: Many people have their numbers unlisted. Many people will hang up the phone or choose not to answer, creating a non-response bias. 2. a) Not every student goes to these locations, and even the ones who do may n
North Texas - CHEM - 2380
Chapter 13 Answers1. a) 1/2 b) 1/2 c) 1/2 d) e) 2. a) 13/52 b) 13/51 c) 12/50 d) 3. a) 0 b) 24/51 4. 5. 6. a) 6/36 b) 6/216 7. a) (0.4)4 = 2.56% b) 1 - (0.4)4 97.44% 8. a) 18/38 b) 20/38 c) 36/38 9. a) 12/60 b) 30/60 c) No, consider the ball G44, fo
North Texas - CHEM - 2380
CHAPTER 14AROMATIC COMPOUNDS- - INTRODUCTION - - NOMENCLATURE - - STRUCTURE OF BENZENE - - HUCKEL'S RULE - - ANNULENES - - AROMATIC IONS - - OTHER AROMATIC COMPOUNDS - - SPECTROSCOPYFARADAY 1825 BENZENEINTRODUCTION- - " AROMATIC " - - USED TO
North Texas - CHEM - 2380
Chapter 14 Answers1. a) (1,4); (2,3); (3,2); and (4,1) b) 1/9 c) (4,6); (5,5); and (6,4) d) 3/36 2. a) 6 ways b) 2 ways c) No d) 0 e) 8/36 3. a) 18 ways b) 12 ways c) Yes d) e) 4. a) 12/52 b) 13/52 c) 3/52 (could be J , Q , or K ) d) 5. 1 (35/36)40
North Texas - CHEM - 2380
CHAPTER 15REACTIONS OF AROMATIC COMPOUNDS- - ELECTROPHILIC AROMATIC SUBSTITUTION REACTIONS GENERAL MECHANISM HALOGENATION NITRATION SULFONATION FRIEDEL-CRAFTS - ALKYLATION - ACYCLATION- - EFFECT OF SUBSTITUENTS - - REACTIVITY - - ORIENTATION - -
North Texas - CHEM - 2380
Chapter 15 Answers1. a) b) c) 2. a) b) 3. a) b) 19.4% 2.46% 6.56% 2.2% 6.0% 1.9%55.4% c) 4. a) ) b) c)44.6% 17.1% 28.4% 3.5% 34.1%5. a) b) Yes, assuming good shuffling. c) 6. a) b) 7. a) b) c) 8. a) 7 30 11.5%30.3% 37.5% 25.8%88.9%b) c)
North Texas - CHEM - 2380
CHAPTER 16ALDEHYDES & KETONES- - INTRODUCTION, NOMENCLATURE - - PHYSICAL PROPERTIES - - SYNTHESIS OF : - - RCHO - - RCOR' - - REACTIONS: ADDITION TO ( C = O ) GROUP - - GENERAL MECHANISM - - ADDITION OF : - - ROH - - NH3 - - HCN - - YLIDES ( WITTIG
North Texas - CHEM - 2380
Chapter 16 Answers1. 50 flips 2. 1 time 3. a) 4 b) 1/6 4. a) 2/3 b) 10 times c) 100 times d) 100 times 5. 10 draws with replacement from 1 2 3 4 5 6 6. 25 draws with replacement from 0 x 5, 1 x 1 7. 5 draws with replacement from $4 x 1, -$1 x 5 8. 1
North Texas - CHEM - 2380
CHAPTER 17ALDOL REACTIONS- - ACIDITY OF HYDROGENS - - REACTIONS VIA ENOLS, ENOLATES - - ALDOL REACTION- - CONJUGATE ADDITIONSCC O C H C HCHHACIDITY OF HYDROGENSpKa 19-20 (cf. pKa ALKANE HYDROGENS) - - WHY ? - - RESONANCE
North Texas - CHEM - 2380
Chapter 17 Answers1. a) 25 b) 3.54 2. a) 250 b) 11.18 3. a) 16.67 b) 3.73 c) Using Book table: 18.405% without continuity correction, 14.685% with correction Exact: 18.555% without continuity correction, 15.187% with correction 4. a) 150 11.18 b) -
North Texas - CHEM - 2380
CHAPTER 18CARBOXYLIC ACIDS & DERIVATIVES- - INTRODUCTION, NOMENCLATURE, PHYSICAL PROPERTIES - - SYNTHESIS OF: RCO2H & DERIVATIVES - - REACTIONS OF: ACIDS & DERIVATIVES - - HELL-VOLHARD-ZELINSKI REACTION - - DERIVATIVES OF H2CO3 - - DECARBOXYLATION
North Texas - CHEM - 2380
Chapter 18 Answers1. a) Using Book table: 29.115% without continuity correction, 24.195% with correction. Exact: 28.580% without continuity correction, 23.975% with correction. b) Using Book table: 41.770% without continuity correction, 51.610% with
North Texas - CHEM - 2380
CHAPTER 19-DICARBONYL COMPOUNDS- - CLAISEN CONDENSATION - - ACETOACETIC ESTER SYNTHESIS - - MALONIC ESTER SYNTHESIS - - OTHER ACTIVE HYDROGEN COMPOUNDS [ OMIT DETAILS OF SECTIONS 19.6 19.12 ]1 C O2 3 C C H O pKa = 9 - 11INTRODUCTION:- 1,3
North Texas - CHEM - 2380
November 27, 2007 CHEM 2380 Methyl IsocyanateMethyl Isocyanate (MIC) is synthesized by reacting methylamine with phosgene; it is an intermediate that is formed in the organic synthesis of carbamate pesticides such as "Sevin." In the 1970's the chem
North Texas - CHEM - 2380
CHEM 2380.001 October 2007Lycopene is a terpene and is a member of the carotenoid family (eight isoprenoid untis where the arrangement is reversed at the center of the molecule (dcg-carot.unibe.ch/nomen.htm)-it is a natural fatsoluble pigment found
North Texas - CHEM - 2380
North Texas - CHEM - 2380
?Dr. S. A. Dandckar September 1 lth,2006fixam 1 A ( 100 points)L ' 4-Name:-Select the beat anslvrr for ANY $of quesrionsl-20 ( 5 paints each). You may attempt the extra question with our penxlty. to cam posslble extra crc'dic poirlts. T
North Texas - CHEM - 2370
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April 24th 2002Page 1 of 18April 24th 2002 Dr. S. A. Dandekar CHEM 2380 Exam 3 (100 points) Name _Select the best answer for ANY 28 of questions 1-32 on the scantron sheet. You may answer more than the required number of questions if you wish. 1
North Texas - CHEM - 2380
April 24th, 2002Page 1 of 14April 24th, 2002 Dr. S. A. Dandekar CHEM 2370 Exam 3 (100 points) Name _Select the best answer from the given choices for ANY 28 of questions 132. You may do more than the required number of questions if you wish. 1.
North Texas - CHEM - 2370
CHAPTER 10 RADICAL REACTIONS INTRODUCTION RELATIVE STABILITIES OF RADICALS HALOGENATION OF ALKANES REACTIVITY v. SELECTIVITY RADICAL ADDITION OF HBr TO ALKENES " ANTI " MARKOVNIKOV REGIOCHEMISTRYINTRODUCTION: " HOW ARE RADICALS PRODUCED ? ( HOMOLYS
North Texas - CHEM - 2370
CHEM 2370 CHAPTER 8OBJECTIVES ALKENES AND ALKYNES Reactions: Addition, OxidationTERMS: Know definitions, gives examples, explain briefly 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Addition reactions Electrophile Electrophilic addition reactions: Ionic ad
North Texas - CHEM - 2370
CHAPTER 8 ALKENES & ALKYNES : REACTIONS--INTRODUCTION REGIOCHEMISTRY : MARKOVNIKOV'S RULE ADDITION OF : Br2 , Cl2 OXIDATION CARBENES SYNTHETIC STRATEGIESINTRODUCTION: ADDITION REACTIONS : A-B >C=C< 2 sp ? ALKENES A-B CA = CB ? A-B CA2
North Texas - CHEM - 2370
March 27th, 2002Page 1 of 16March 27th, 2002 _ Dr. S. A. Dandekar CHEM 2380 Exam 2 (100 points)NameSection A: 60 points Answer ANY 20 questions from this section (3 points each) 1. Which reagent(s) would you use to carry out the following tra
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CHAPTER 13CONJUGATED UNSATURATED SYSTEMS- - INTRODUCTION - - ALLYL : RADICAL , CATION - - DIENES, POLYENES - - CONJUGATION - - UV VISIBLE SPECTROSCOPY - - CONJUGATE ADDITION : 1 , 4 ( v. 1 , 2 ) - - DIELS ALDER REACTIONINTRODUCTION- - CLASSI
North Texas - CHEM - 2370
CHAPTER 9 NUCLEAR MAGNETIC RESONANCE INTRODUCTION1H NMR C NMR13OMIT SECTIONS: 9.12 9.17 MASS SPECTROSCOPYINTRODUCTION: NUCLEI OF CERTAIN ISOTOPES ( e.g., 1H, 13C ) BEHAVE LIKEMAGNETS SPINNING ABOUT AN AXIS WHY ? CHARGED PARTICLE ( p+ ),
North Texas - CHEM - 2370
CHEM 2370 CHAPTER 9OBJECTIVES NUCLEAR MAGNETIC RESONANCETERMS: Know definitions, give examples, explain briefly 1. Chemical Shift 2. Integration 3. Deuterated solvents 4. Signal splitting 5. Shielding / deshielding of protons 6. Upfield / downfie
North Texas - CHEM - 2380
CHAPTER 12 OXIDATION - REDUCTION & ORGANOMETALLIC COMPOUNDS- - INTRODUCTION - - REDUCTION OF >C=O >CHOH - - OXIDATION OF R-OH ( I, 2 ) >C=O - - ORGANOMETALLIC COMPOUNDS - - SYNTHESIS OF RLi , RMgX - - REACTIONS OF RLi , RMgX - - R2CuLi: SYNTHESIS
North Texas - CHEM - 2370
CHAPTER 11 ALCOHOLS & ETHERS--STRUCTURE PHYSICAL PROPERTIES SYNTHESIS OF ALCOHOLS REACTIONS OF ALCOHOLS SYNTHESIS OF ETHERS REACTIONS OF ETHERSSTRUCTURE, NOMENCLATURE: ROH ALCOHOL ( COMMON ) BUT, CAN GET A LITTLE CONFUSING WITH BRANCHED R GR
North Texas - CHEM - 2370
Using Lewis diagrams for molecules Rules: 1. Find the central atom with the least electronegative element Not H. 2. Draw a skeletal structure of the molecule. 3. Calculate total valence e- negative ions add value of charge - positive ions subtract
North Texas - CHEM - 2380
CHEM 2380.001 October 9, 2007 Polycyclic Aromatic Hydrocarbons (PAHs)There are approximately 10,000 compounds composed of 100 different chemicals that are classified as PAHs. PAHs are formed during the incomplete burning of carbon containing compoun
North Texas - CHEM - 2380
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North Texas - CHEM - 2380
ExamC fime: CMEM 2370 (100 points) November 2oth,2006 Dr. S. A. Dandekar Select the best answer from the given choices for ANY 20 of Q 1-24. You may answer extra questions, without penalty, for possible extra credit.@b~ra~r, p ra 0 u a S1. A co
North Texas - CHEM - 2370
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North Texas - CHEM - 2370
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