Chem 1332 Fall 2010 Exams (1)

Chem 1332 Fall 2010 Exams (1) - Title: Exam1 Started:...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Title: Exam 1 Started: September 29, 2010 5:30 PM Submitted: September 29, 2010 6:50 PM Time spent: 01:19:09  Total score: 12/20 = 60%   Total score adjusted by 0.0  Maximum  possible score: 20  1.   Which type of intermolecular/interparticle force is the strongest in most p substances?    Student Response A.  Hydrogen bonding B.  Ionic C.  Dipole-dipole D.  Induced dipole - induced dipole E.  London Dispersion Score: 0/1    2.   Which of the following substances would be expected to have the lowest pressure?    Student Response A. CH 3 CH 2 CH 2 CH 2 CH 3 B. CH 3 CH 2 OH C.  CH 3 CH 2 CH 2 OH D.  CH 3 OCH 3 E. HOCH 2 CH 2 OH Score: 0/1   
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
3.   Rank the various "heats" of water in order of increasing size.    Student Response A. heat of fusion < heat of vaporization < heat of  sublimation B. heat of fusion < heat of sublimation < heat of  vaporization C.  heat of sublimation < heat of vaporization < heat of  fusion  D.  heat of sublimation < heat of fusion < heat of  vaporization E. heat of fusion = heat of sublimation = heat of  vaporization Score: 1/1    4.   Which of the following statements is true?    Student Response A.  None of these are true. B.  The critical point of a substance decrease when the  temperature increases. C.  The triple point of a substance increases when the  pressure increases. D.  Both the triple point and the critical point of a  substance are dependent on the substance only, but  not on temperature or pressure. E.  Both the triple point and the critical point of a  substance increase with a decrease in temperature. Score: 0/1   
Background image of page 2
5.   How much energy in J is needed to convert 48 g of liquid ethanol at 67  at 97 o C. You might need to know that: mp = -114  o C and bp = 78 o C The heat of fusion is 4.6 kJ/mol and the heat of vaporization is 46.0 kJ/m Finally, the specific heats of the solid, liquid and gas are, respectively 2.1 1.8 J/g  o C.    Student Response A.  73700 B.  3330 C.  3,133,000 D.  51330 E.  11500 Score: 1/1    6.   Which solvent will be better able to dissolve the given solute? (I) Ammonia in water or hexane(l) (II) pentane in water or carbon tetrachloride(l) (III) potassium iodide in methanol or in hexane    Student Response A.  water, water, hexane B.  hexane, water, methanol C.  water, carbon tetrachloride, methanol D.  hexane, carbon tetrachloride, hexane E.  water, water, methanol Score: 0/1 
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
  7.  
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/25/2011 for the course CHEM 318 taught by Professor Rankin during the Spring '11 term at University of Texas at Austin.

Page1 / 30

Chem 1332 Fall 2010 Exams (1) - Title: Exam1 Started:...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online