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

Exam Information

Material Type:Exam 2
Professor:DeVoe
Class:CHEM 135 - GEN CHEM FOR ENGINEERS
Subject:Chemistry
University:University of Maryland
Term:Fall 1998
Keywords:
  • Naoh Solution
  • Nonelectrolyte
  • Dissolution
  • Temperature
  • Semipermeable Membrane
  • Point Elevation
  • Vaporization
  • Dilute Solution
  • Sublimation
  • Precipitate
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Sample Document Text

CHEM 133 (Prof. DeVoe) YOUR NAME (printed) Exam 2 Version A October 30, 1998 Circle the name of your T A: Georgette Guru Jen Lei Lubna Matt Paul This exam has a total of 100 points. Please make sure you have all five pages. Do not write in this space 1-11 __ /22 12. __ 112 13. __ 124 14. ___ /6 15. __ 112 16. ___ /12 17. __ 112 TOTAL ______ /100 PART I. Eleven multiple-choice questions (2 pts each, 22 pts total). Write the lettc:~ (A, B, etc.) of the one best answer for each question on rhe line at the right. 1. The angle between two of the C-H bonds in the CH 4 molecule is A) 30 B) 90 C) 109.5 D) 120 E) 180 2. If an atom uses sp2 hybrid orbitals to form bonds, the angle between the bonds is A) 90 B) 109.5 C) 120 D) 180 3. When a solid changes to a gas, the process is called A) evaporation B) sublimation C) dissolution D) vaporization E) fusion 4. Which one of the following substances has strong hydrogen bonds in its liquid state? A) CH 4 B) SiH 4 C) HF D)...

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