Koofers

Past Exam for CHEM 131 - CHEM FUNDAMENTALS I at Maryland (UMD)

Exam Information

Material Type:Exam 3
Professor:Staff
Class:CHEM 131 - CHEM FUNDAMENTALS I
Subject:Chemistry
University:University of Maryland
Term:Fall 1998
Keywords:
  • Endothermic
  • Dissolution
  • Vaporization
  • Useful Information
  • Arrangement
  • Temperature
  • Sublimation
  • Final Answers
  • Atmospheric Pressure
  • Redox Reaction
Login / Sign Up to View Document
Preview Page 1Preview Page 2Preview Page 3Preview Page 4Preview Page 5Preview Page 6

Sample Document Text

", C:EM \03, Section 33 (DeVoe) ®YOUR NAME (printed) Exam 3 Version B December 2, ] 998 Circle the name of your TA: Avanti Jin Kedar Phil Priya Sasmit Scott This exam has a total of 100 points. Please make sure you have all five pages. Do not write in this space 1-10 _----l120 11. _---'/1 0 12. __ ~/10 13. __ ~/4 14. ___ i8 15. ___ /12 16. __ /12 17. ___ /8 18. __ 18 19. __ /8 TOT AL ___ ~Il 00 (Possibly) useful information: 1 atm = 760 mmHg = 1.013 25 x 10 5 Pa R == 0.08206 L atmlK mol 0.00 °C = 273.15 K N A = 6.022 X 10 23 mol- l PART I. Ten multiple-choice questions (2 pts each, 20 pts total). Write the Jetter (A, B, etc.) of the one best answer for each question on the line at the right. 1. The angle between two of the B-F bonds in the BF3 molecule is A) 30° B) 90° C) 109.5° D) 120° E) 180° 2. If an atom uses sp3 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 liquid, the process is c...

Related Documents

Naoh Solution Exam
Nonelectrolyte Exam
Sigma Bonds Exam
Nonelectrolyte Exam
Dissolution Exam
Sigma Bonds Exam
Unauthorized Exam
Unauthorized Exam
Temperature Exam
Explanation Exam
Sigma Bonds Exam
Sigma Bonds Exam
Temperature Exam
Density (d) Exam
Gas Density Exam
Gas Density Exam
155, "/var/app/current/tmp/"