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161_Solid_Gems_Exam_III_Fall_2005 - Chemistry 161SG Exam...

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Chemistry 161SG Exam III November 4, 2005 Student Name: _____________________ Recitation Section Number: ____ Recitation Instructor: _________________________ The exam has 25 questions for credit and an additional one to check the color of your exam booklet. Please answer all 26 questions on the OpScan sheet. There is no penalty for guessing. At the end of the 80-minute exam period, please hand in only this top sheet and your OpScan form. If you finish early, please do not disturb your fellow students. A proctor will check your picture-ID, OpScan form and signature during the exam. Exam scores and an exam curve will be posted as soon as possible. ON THE OpScan FORM: (Use a Number 2 Pencil or Darker) (1) SIGN your name across the TOP of the form. (2) code only the following information: [ blacken circles] (a) Your Name . . . LAST NAME FIRST [ blank space between last and first names ] (b) Your SOCIAL SECURITY NUMBER [Start under Box A and continue to Box I ] (c) Your RECITATION SECTION NUMBER (Boxes ) [Sections R1=51, R3=53, R4=54, R5=55, R6 = 56] (d) Your EXAM FORM NUMBER (Box P ) Y o u r E X A
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1. A system that undergoes an adiabatic change (q = 0) and does work on the surroundings has: A. W < 0 E = 0 B. W > 0 E > 0 C. W >0 E < 0 D. W < 0 E > 0 E. W < 0 E < 0 2. Which ground-state ion is expected to have the most unpaired electrons? A. Cr 3+ B. Fe 2+ C. Cr D. Ni 3+ E. V + 3. At 100 ° C, the enthalpy of vaporization of water is 40.7 kJ/mol. The enthalpy change when 36.0 g of water vapor condenses is: A. -40.7 kJ B. -81.4 kJ C. +81.4 kJ D. +40.7 kJ E. -1.47 x 10 3 kJ 4. Which of the following has the lowest first ionization energy? A.
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161_Solid_Gems_Exam_III_Fall_2005 - Chemistry 161SG Exam...

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