Name__________________________ Chemistry 190: Organic Chemistry EXAM 3 Thursday April 21‚ 2011 1. (12) ______ 2. (14) ______ 3. (20) ______ 4. (12) ______ 5. (54) ______ 6. (16) ______ 7. (12) ______ 8. (10) ______ Total (150) ______ The exam consists of twelve numbered pages and an unnumbered cover sheet. Make certain that you have a complete exam. You will have two hours to work on the exam. No books or notes are allowed; however‚ you may use a molecular model set and a calculator
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(12 pts.) 9. Explain why all protons in a molecule do not absorb rf (radio frequency) energy at the same frequency. (5 pts.) 10. Answer the following questions. (10 pts.) (a) How many groups of peaks do you expect for the 1H NMR spectrum of styrene oxide? stryene oxide (b) Draw a tree diagram for the proton-2 (H2) signal. The relative coupling constants should
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1) At equilibrium‚ __________. A) all chemical reactions have ceased B) the rate constants of the forward and reverse reactions are equal C) the rates of the forward and reverse reactions are equal D) the value of the equilibrium constant is 1 E) the limiting reagent has been consumed 2) Which of the following expressions is the correct equilibrium-constant expression for the reaction below? HF (s) + H2O (l) ⇌ H3O+ (aq) + F- (aq) A) [HF][H2O] / [H3O+][F-] B) 1 /[HF]
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was most motivated to finish school‚ because I made a promise to my mother before she passed with liver cancer in 2003. At that time‚ I was going to cosmetology school and had two little girls. I remember her looking weak and frail in her hospital bed. I could see how tired and almost sedated she was‚ but still she worried about how my future was going to turn out. She looked at me with tears running from the sides of her eyes and made me promise her that I would finish school. I have since then obtained
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Grading Summary These are the automatically computed results of your exam. Grades for essay questions‚ and comments from your instructor‚ are in the "Details" section below. Date Taken: 9/17/2013 Time Spent: 39 min ‚ 29 secs Points Received: 4 / 25 (16%) Question Type: # Of Questions: # Correct: Multiple Choice 25 4 Grade Details - All Questions 1. Question : All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her
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Socialization takes place: Question options: a) Throughout the life course b) During childhood c) In infancy d) In utero Question 3 0 / 2 points In response to the question "What is more important—nature or nurture?" sociologists tend to respond: Question options: a) A combination of nature and nurture b) Depends upon the culture the person is from c) Nature d) Nurture Question 5 0 / 2 points Which of the following is a micro-level socialization activity? Question options: a) Reading
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Question 1: Suppose you walk across a room carrying a bucket of water in your right hand. To keep the water from sloshing out‚ you walk at constant speed‚ making sure the bucket is kept at the same height above the ground. Which statement is true? a) You exert a force on the bucket and do work on the bucket as you carry it. b) You exert a force on the bucket but do no work on the bucket. c) You don’t exert a force on the bucket and you do no work on it. Answers: b Question 2: TRUE or FALSE:
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Develop and document‚ on behalf of an organisation for which you do or might work‚ a detailed process whereby it will be possible to investigate‚ identify‚ assess‚ and include the needs of customers in planning processes. Company: Sports Car Mania Contents Summary 2 Investigate 2 Identify 2 Divide the total market into market segments 3 Identify what drives demand in each segment 3 Methods of identifying specific customers 4 Assess 4 Customer needs and expectations 4 Summary
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animals 1. What food makes up nearly all (around 99%) of a Giant Panda’s diet? 2. True or false? Mice live for up to 10 years. 3. What is the name of the phobia that involves an abnormal fear of spiders? 4. What is the largest type of ‘big cat’ in the world? 5. True or false? Crocodiles have no sweat glands so they use their mouths to release heat. 6. Are butterflies insects? 7. What are female elephants called? 8. True or false? Bats are mammals. 9. Bees are found on every continent of earth except
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Question 1 of 10 10.0/ 10.0 Points _____ was just a sophomore when he began building computers in his dorm room at the University of Texas. His firm would one day claim the top spot among PC manufacturers worldwide. A.Bill Gates B.Michael Dell Feedback: Yes‚ Michael Dell was just a sophomore when he began building computers in his dorm room at the University of Texas. His firm would one day claim the top spot among PC manufacturers worldwide. C.Mark Zuckerberg D.Steve Jobs Question
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