exam3 2000

exam3 2000 - Chemistry 161SG Exam III Student Name...

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SG 161:E3 V1 1 FALL “00” Chemistry 161SG Exam III November 10, 2000 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 ) Your EXAM FORM is: See last pages of exam for physical constants, periodic table, and other information.
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2 FALL “00” 1. A 2.15-g sample of benzene (C 6 H 6 ) is burned in a bomb calorimeter, and the temperature rises from 22.46 ° C to 34.34 ° C. Calculate the heat capacity of the bomb calorimeter. Note the following thermochemical equation: C 6 H 6 (l) + 15/2 O 2 (g) -----> 6CO 2 (g) + 3H 2 O(g) H ° = -3267.5 kJ A. 1.52 x 10 3 kJ ° C - 1 B. 7.58 kJ ° C - 1 C. 90.1 kJ ° C - 1 D. 35.3 kJ ° C - 1 E. 128 kJ ° C - 1 2. If the specific heat of water is 4.18 J g - 1 ° C - 1 , what mass of water can be heated from 5.0 ° C to 80.0 ° C by 27.0 kJ of heat? A. 0.0861 g B. 76.0 g C. 276 g D. 86.1 g E. 8.61 g 3. An AM radio station operates at a frequency of 1080 kHz. What is the wavelength, in meters, of the radio waves? A. 360 m B. 278 m C. 1080 m D. 3.60 m E. 2.78 m 4. Select the atom/ion that has the incorrect configuration listed next to it. A.
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exam3 2000 - Chemistry 161SG Exam III Student Name...

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