Practice Midterm1 Chem140A KEY

Practice Midterm1 Chem140A KEY - Chemistry 140A Professor...

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1 Chemistry 140A NAME: (please print)__ Answer Key _____________ Professor Jerry Yang First Last F07, Examination #1 Version 1 October 18 th , 2007 Signature:__________________________________ PID #:_____________________________________ I give Professor Yang permission to leave my graded exam outside the elevators on the 6 th floor of Pacific Hall for pickup: Signature _______________________________ WRITE YOUR NAME AT THE TOP OF EVERY PAGE! USE NON-ERASABLE INK ONLY! Write the name of the person sitting: To your right_____________________ To your left _____________________ DO NOT OPEN YOUR EXAM UNTIL YOU ARE TOLD. Please write the answers you want graded in the space provided. Do scratch work on the backs of the pages. The test should have 9 numbered pages. Check to make sure you have received a complete exam. A good piece of advice: Read carefully over the questions at least twice; Make sure that you understand exactly what is being asked; avoid sloppy structures or writing. Good Luck! DO NOT WRITE BELOW THIS LINE I. ___________ (15) V. ___________ (15) II. ___________ (15) VI. ___________ (26) III. ___________ (10) VII. ___________ (10) IV. ___________ (9) Total ___________ (100)
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2 I. [15 points] NAME: (please print)__________________________ First Last H H Cl Cl H Cl Molecule A a. Draw a constitutional isomer of molecule A (**points will be deducted for incorrect and incomplete structures**). You must use the template provided. H H H Cl Cl Cl b. Structure B is a rotational isomer of the structure shown for molecule A, where for the equilibrium: A B Δ H o = 0 . Fill in the missing atoms on the template below for the structure of B.
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Practice Midterm1 Chem140A KEY - Chemistry 140A Professor...

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