Exam 1 151_S08 (2)

Exam 1 151_S08 (2) - The University of Arizona CHEM 151...

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The University of Arizona FORM A CHEM. 151/ CHEM 103A Spring 2008 Andrew J. Grall, PhD / Wayne E. Wesolowski, PhD EXAM No. 1 THE FOLLOWING MUST BE COMPLETELY FILLED-IN OR YOUR EXAM WILL NOT BE GRADED. NAME: PRINT (clearly)___________________________________________________ my signature below certifies that I have used a calculator for numerical calculations only- NAME-- SIGN ______________________________________________________ lecture section Check MWF: 12 noon ___ TR: 8AM ____ 2 PM ____ THERE IS A 3-POINT PENALTY FOR ILLEGIBLE NAMES or Scantron corrections DIRECTIONS ●DO NOT OPEN THE EXAM UNTIL INSTRUCTED TO DO SO. .●KEEP ALL PAPERS IN FRONT OF YOU, ON YOUR DESK AT ALL TIMES. ●CROSS OUT ANY SCRAP WORK THAT YOU DO NOT WANT INCLUDED IN YOUR ANSWERS. ●FOR MULTIPLE CHOICE QUESTIONS, CIRCLE THE LETTER OR NUMBER OF THE CHOICE THAT BEST ANSWERS THE QUESTION. UNLESS NOTED THERE IS ONLY ONE CORRECT CHOICE. IF MORE THAN ONE CHOICE IS SELECTED THE QUESTION WILL BE MARKED WRONG. SELECT THE CLOSEST NUMERICAL ANSWERS IF YOUR CALCULATION IS SLIGHTLY DIFFERENT. ●FOR QUESTIONS MARKED “FREE ANSWER” or PARTIAL CREDIT - -- INCLUDE ALL YOUR CALCULATIONS. IF YOU GIVE ONLY THE CALCULATED ANSWER, IT WILL BE GRADED AS ZERO CREDIT . ●POINT ALLOCATION FOR EACH QUESTION IS INDICATED. ●GIVE ANSWERS FOR CALCULATIONS TO THE CORRECT NUMBER OF SIGNIFICANT FIGURES ●WHEN YOU HAVE FINISHED PUT THE SCANTRON SHEET INSIDE THE BOOKLET BEFORE HANDING IT IN. HOLD YOUR PICTURE ID UP TO YOUR FACE WHEN TURNING IN AN EXAM __
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All Multiple Choice 3 points each 1) At room temperature and pressure, substance A is a stable liquid and substance B is a gas. Why? A) The particles of A have less kinetic energy than the particles of B B) The attractive force between particles of A is greater than that between particles of B. C) The mass of particles of A is greater than that of particles of B D) Particles of A must be further apart than particles of B E) answers B and C. 2). At constant temperature if the volume of a gas is doubled, the pressure would:
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Exam 1 151_S08 (2) - The University of Arizona CHEM 151...

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