115 Final Exam Spring 2002

115 Final Exam Spring 2002 - Name _ Section _ Student I.D....

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Name _____________________________ Chemistry 115 Section ____________ Final Exam Student I.D. # ___________________ Monday, 7:00 PM Instructor ________________________ April 29, 2002 200 Directions : 1. Each student is responsible for following directions. Read this page carefully. 2. Write your name and other requested information on this page and on the separate answer sheet. 3. CODE your name on the answer sheet using an ordinary (#2) pencil. 4. CODE your correct identification number (Social Security) on the answer sheet. THIS IS VERY IMPORTANT! 5. CODE your section number on the answer sheet. Please use all four digits, 0101, 0102, 0201, etc. This is also very important! 6. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON THE COMPUTER ANSWER SHEET! 7. This exam consists of 40 multiple-choice questions worth 5 points each. Choose the one best or correct answer for each question and write it both on your exam paper and on the computer answer sheet. The computer answer sheet is the only one that will be graded! 8. This exam consists of 10 pages plus a periodic table. Please check to be sure that you have them all! Useful Information: Avogadro's number = 6.02 x 10 23 E (photon) = h c = h = 6.626 x 10 – 34 J s c = 3.00 x 10 8 m/s H fusion (H 2 O) = 6.02 kJ/mol H vap (H 2 O) = 40.7 kJ/mol specific heat capacity, c, of H 2 O (s) = 37.6 J/mol °C specific heat capacity, c, of H 2 O ( ) = 75.4 J/mol °C specific heat capacity, c, of H 2 O ( g ) = 33.1 J/mol °C Selected Electronegativities: H = 2.1; O = 3.5; K = 0.8; Cl = 3.0; C = 2.5; N = 3.0; F = 4.0
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Chemistry 115 Final Exam Spring 2002; page 2 B____ 1. Which of the following properties IS NOT associated with the quantum numbers represented by these letters { n, , m , m s } that describe an electron in an atom? (a) Orbital orientation (b) Electron charge (c) Orbital shape (d) Electron spin direction (e) Orbital size B____ 2. A ruby laser produces radiation of wavelength 633 nm in pulses whose duration is 2.00 x 10 –9 s. If each pulse contains 1.20 x 10 18 photons, what is the energy of each pulse? (a) 0.314 J (b) 0.377 J (c) 0.420 J (d) 0.504 J (e) 0.754 J E____ 3. Which of the following species is not isoelectronic with the others? (a) Na 1+ (d) F 1– (b) Mg 2+ (e) O (c) Al 3+ D____ 4. Which of the following formulas is a correct representation of an ionic oxide? (a) SO 2 (d) Rb 2 O (b) H 2 O( e ) A l O 2 (c) Sr 2 O A____ 5. Based on atomic trends, which of the following atoms would have the smallest atomic radius?
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This test prep was uploaded on 04/02/2008 for the course CHEM 115 taught by Professor L during the Spring '02 term at Purdue University-West Lafayette.

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115 Final Exam Spring 2002 - Name _ Section _ Student I.D....

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