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Past Exam for CHEM 135 - GEN CHEM FOR ENGINEERS with DeVoe at Maryland (UMD)

Exam Information

Material Type:Exam 4
Professor:DeVoe
Class:CHEM 135 - GEN CHEM FOR ENGINEERS
Subject:Chemistry
University:University of Maryland
Term:Spring 2001
Keywords:
  • Nonelectrolyte
  • Temperature
  • Concentration
  • Useful Information
  • Methyl Group
  • Coordination
  • Participation
  • Short Answers
  • Avogadro's Number
  • Description
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Sample Document Text

" ""'" CHEM 133 (DeVoe) Exam 4 May 2, 2001 NAM:E Circle your section number: 6118 6124 6125 6127 ~;137 6138 6144 6145 6147 This exam has a total of 100 points. Please make sure you have all fQ!!!. pages. Do not write in this space 1-6 __ /18 7 ___ /H; 8 __ 110 9 8 10 __ 112 11 112 --- 12 112 13 112 TOTAL _____ /100 (Possibly) useful information: 1 atm = 760 mmHg = 1.013 25 x 10 5 Pa T(K) = /(OC) + 273.15 C R = 0.08206 L atm/K mol Avogadro's number = 6.022)( 10 23 PART I. Six multiple-choice questions (3 pts each, 18 pts total). V{Jite the lettel[ (A, B, etc.) of the one best answer for each question on the line at the right. 1. Suppose you have a 0.00 10M solution of a nonelectrolyte in water at 310 K. The osmotic pressure of this solution is closest to A) 0.0010 atm B) 0.022 atm C) 0.025 atm D) 1.0 atm E) 39 atm 2. The fact that n-pentane has a higher boiling point than 2-methylbutane c:an be explained by A) a difference in molar mass(!s B) the participation ...

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