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exam2key - 2nd Midterm Exam Ian R. Gould PRINTED FIRST NAME...

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Unformatted text preview: 2nd Midterm Exam Ian R. Gould PRINTED FIRST NAME 4 / 15 6 / 12 Total / 175 5 / 5 3 / 24 2 / 22 ASU ID or Posting ID Person on your LEFT (even if there are empty spaces between you, or print Aisle) 1 / 20 H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn 7 / 20 8 / 16 Be sure your exam has 8 numbered questions on 6 total pages Use any blank pages as scratch paper. They will not be graded. Write CLEARLY. Illegible answers will be considered to be incorrect. Molecular models are allowed. Do not use red ink. DON'T CHEAT, USE COMMON SENSE! READ THE DIRECTIONS FOR EACH PROBLEM CAREFULLY! CHEM 233, Fall 2006 Person on your RIGHT (even if there are empty spaces between you, or print Aisle) PRINT YOUR NAME ON EACH PAGE! PRINTED LAST NAME Newmans Chairs Ranking Energy Diagram Airport Resonance/nmr carbon IR 9 / 16 isomers 10 / 25 spectrum ANSWER KEY CHEMISTRY 233, Fall 2006, MIDTERM 2- 2 - NAME Question 3 (24 pts) Rank the following in order of INCREASING energy of their lowest energy conformations. Give a BRIEF explanation. A B C < < B C A lowest energy highest energy B has both methyls equitorial, C and A both have 1 axial and 1 equitorial, but A also has a gauche interaction Et Me Me H H Et Question 1 (20 pts.) Draw Newman projections for BOTH the HIGHEST and the Question 1 (20 pts....
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exam2key - 2nd Midterm Exam Ian R. Gould PRINTED FIRST NAME...

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