Chemistry_161SG_Exam_III_Version_1_Fall_2009

Chemistry_161SG_Exam_III_Version_1_Fall_2009 - Chemistry...

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Chemistry 161 Solid Gems Exam III Date: 11/6/09 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. 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 RUTGERS ID NUMBER [Start under Box A and continue to Box I ] (c) Your RECITATION SECTION NUMBER (Boxes ) [Sections R1=51, R2 = 52, R3=53, R4=54, R5=55, R6=56 (d) Your EXAM FORM NUMBER (Box P ) Your EXAM FORM is: c Sec. Pr. Inst. R1 3 DC R2 4 DC R3 4 NM R4 5 YC R5 6 YC R6 6 JW See last pages of exam for physical constants, periodic table, and other information. 161SG EXAM III V1 FALL 2009 1
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161SG EXAM III V1 FALL 2009 2 1. The Millikan oil drop experiment, in which an oil drop is suspended between two charged plates, was used to: A. measure the charge of an electron B. measure the charge to mass ratio for an electron C. discover the existence of the nucleus D. measure the mass of an electron E. measure Planck’s constant 2. Calculate the frequency of light emitted when the transition n=6 n=3 occurs in the hydrogen atom. A. 4.67 x 10 14 s 1 B. 6.27 x 10 14 s 1 C. 5.28 x 10 14 s 1 D. 1.52 x 10 14 s 1 E. 2.74 x 10 14 s 1 3. A system absorbs a given quantity of heat and does a given quantity of work on the surrounding. Which of the following choices correctly indicates the signs for q and w? A. +q, +w B. -q, +w C. +q, -w D. q = w = 0 E. -q, -w
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4. When a reaction takes place where the products have higher energy than the reactants, then one can say that A. energy is released. B.
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This note was uploaded on 12/06/2010 for the course CHEM 161 taught by Professor Vacillian during the Fall '08 term at Rutgers.

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Chemistry_161SG_Exam_III_Version_1_Fall_2009 - Chemistry...

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