CH310N Iverson Sp09Exam1Ans

CH310N Iverson Sp09Exam1Ans - Chemistry 310N Dr. Brent...

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Unformatted text preview: Chemistry 310N Dr. Brent Iverson 1st Midterm Feb. 19, 2009 NAME (Print): _____________________________ SIGNATURE: _____________________________ Please Note: This test may be a bit long, but there is a reason. I would like to give you a lot of little questions, so you can find ones you can answer and show me what you know, rather than just a few questions that may be testing the one thing you forgot. I recommend you look the exam over and answer the questions you are sure of first , then go back and try to figure out the rest. Also make sure to look at the point totals on the questions as a guide to help budget your time. Note: You must have your answers written in pen if you want a regrade!!!! Please print the first three letters of your last name in the three boxes For synthesis problems GO FOR PARTIAL CREDIT EVEN IF YOU DO NOT KNOW THE ENTIRE ANSWER!!!WRITE DOWN WHAT YOU DO KNOW IS IN THE REACTION SEQUENCE SOMEWHERE. YOU WILL GET PARTIAL CREDIT IF IT IS CORRECT 15 14 13 12 11 10 9 8 7 (5) (5) (5) (-) (5) (12) (14) (35) (23) (18) (10) (13) (13) (19) (248) 16 6 Total T Score HW 17 18 19 Total Grade (HW score + Exam Grade) % 5 (6) (5) 4 (26) 3 2 (23) 1 Page Points (11) Honor Code The core values of the University of Texas at Austin are learning, discovery, freedom, leadership, individual opportunity, and responsibility. Each member of the University is expected to uphold these values through integrity, honesty, trust, fairness, and respect toward peers and community. (Your signature) Pg 1 _____________(23) A. B. 3. (3 pts each) Write an acceptable IUPAC name for the following molecules: Signature_________________________ 1. (3 pts) For this class, the most important question in organic chemistry is: Where are the electrons? 2. (14 points) Suppose a relative of yours is having an MRI. In no more than four sentences, explain to them what is happening when they have the MRI scan. We wil be looking for a minumum of 7 key points here. The popular medical diagnostic technique of magnetic resonance imaging (MRI) is based on the same principles as NMR , namely the flipping (i.e. resonance) of nuclear spins of protons by radio frequency irradiation when a patient is placed in a strong magnetic field . Magnetic field gradients are used to gain imaging information, and rotation of the gradient around the center of the object gives imaging in an entire plane ( i.e. slice inside patient ) . In an MRI image, you are looking at individual slices that when stacked make up the three-dimensional image of relative amounts of protons , especially the protons from water and fat, in the different tissues . C H 3 C CH 3 CH 3 CH 2 C O H 3,3-Dimethylbutanal O Cl (S)-3-Chloro-4-heptanone S Pg 2 _____________(11) A....
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This note was uploaded on 02/21/2010 for the course CH 5 taught by Professor Staff during the Spring '08 term at University of Texas.

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CH310N Iverson Sp09Exam1Ans - Chemistry 310N Dr. Brent...

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