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Past Exam for CH 302 - PRINCIPLES OF CHEMISTRY II with Sutcliffe at Texas (UT)

Exam Information

Material Type:Final
Professor:Sutcliffe
Class:CH 302 - PRINCIPLES OF CHEMISTRY II
Subject:Chemistry
University:University of Texas - Austin
Term:Spring 2010
Keywords:
  • Explanation
  • Concentration
  • Substituting
  • Temperature
  • Hypothetical
  • Vaporization
  • Water Solubility
  • Mercury (i)
  • Surroundings
  • Molality (m)
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Sample Document Text

Version 150 ? Final ? sutcliffe ? (51060) 1 This print-out should have 41 questions. Multiple-choice questions may continue on the next column or page ? find all choices before answering. 001 10.0 points At 600 C, the equilibrium constant for the reaction 2HgO(s) ! 2Hg( ) + O (g) ` 2 is 2.8. Calculate the equilibrium constant for the reaction 1 2 O (g) + Hg( ) 2 ` ! HgO(s) . 1. 0.36 2. 1 7 . 3. 0.60 correct 4. 1.1 5. 1.7 Explanation: 002 10.0 points The equilibrium constant K for the dissocia- tion of N O (g) to NO (g) is 1700 at 500 K. 2 4 2 Predict its value at 300 K. For this reaction, H is 56 8 kJ mol . ? 1 . 1. 0.188 correct 2. 1 11 . ? 10 4 3. 1 32 . ? 10 6 4. 15.5 5. 1 54 . ? 10 7 Explanation: 003 10.0 points Estimate the enthalpy of vaporization of CCl 4 giventhat at25 C and58 Citsvapor pressure is 107 and 405 torr, respectively. Assume that the enthalpy of vaporization is independe...

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