Sp07ex1Ques - NAME (Print): _ SIGNAT URE: _ Chemistry 310N...

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Chemistry 310N Dr. Brent Iverson 1st Midterm Feb. 22, 2007 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
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10 9 8 7 6 5 4 3 2 (15) (20) (26) (5) (5) (5) (5) (12) (21) (32) (19) (15) (30) (---) (13) (23) (241) 11 1 Page Points Total T Score HW 12 13 14 15 16
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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)
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Pg 1 _____________(15) 1. (1 pt each) Fill in each blank with the word that best completes the following sentences about NMR. Signature_________________________ We care about the nuclei _______ and ______ since these are commonly found in organic molecules and they have spin quantum numbers of 1/2. Nuclei with spin quantum number 1/2 are quantized in one of two orientations, "______" (lower energy) or "______"(higher energy) in the presence of an external magnetic field, that is, with and against the external field, respectively. The difference in energy between nuclear spin states is __________________________to the strength of the magnetic field felt by the nucleus. _____________________ density is induced to circulate in a strong external magnetic field, which, in turn produces a ___________________ field that opposes the external _____________________ field. This ____________________ nuclei from the external _____________________field. The greater the electron density around a nucleus, the more ________________________it is, and the lower the energy (frequency) of
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This note was uploaded on 01/31/2011 for the course CH 310 N taught by Professor Blocknack during the Spring '08 term at University of Texas at Austin.

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Sp07ex1Ques - NAME (Print): _ SIGNAT URE: _ Chemistry 310N...

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