CH 301-Hance-Fall 2004-Test 1

CH 301-Hance-Fall 2004-Test 1 - Version 153 Exam 1...

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Version 153 - Exam 1 - Hance (52025) . -3c:.£- C \ (:,.:~ (v .,' ~ 005 (part 1 of 1) 4 points , -:- J.. :<Achemist determined in a set of experiments 1 \. .,. ..t-~'" that the density of magnesium metal was 1. .68 . . g/cm 3 , 1..67 g/cm 3 , 1..69 g/cm 3 , and 1..69 g/cm 3 .. The accepted value 'for its density . is 1. .89g/cm 3 .. You would conclude that the chemist's data This print-out should have 27 questions . . Xlultiple-choice questions may continue on the next column or page - find all choices before answering. V1:1, V2:2, V3:2, V4:1, V5:4 . . 001 (part 1 of 1) 4 points Austin's average rainfall per year is 31. .5 inches. Convert this measurement to meters per decade. (1 in = 2.54 em, and 1 decade = 10 years) 1. 315. m/decade 2. 0.125 m/decade 3. 80.0 m/decade (!)8.00 m/decade 002 (part 1of 1) point What is the answer with the proper iznificant figures for the following? 1.11 \ 7.~ + 2.401 + 0.68 = 'l. .~ ~ lO.6 ~\ 2 004 (part 1of 1) 4 points Find the total number of atoms molecule of C12H22N20SS2. I 1. 1 atom l L '2-"2. 2. 92 atoms 'z. <J m one 3.5 atoms 346 atoms IS /precise and accurate. .. ~ualitative, but not quantative. 2. 11. .0 VO. 7 4. 10.681 3. accurate, but not precise. 1 . . . . . ,.,. ~recise, but not accurate.~ (!Jneither precisenor accurate. ; 5. 10 6.10.68 003 (part 1 of 1) 4 points Sodium hydroxide is commonly known as lye. The formula of sodium hydroxide is
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This note was uploaded on 02/09/2010 for the course CH 301 taught by Professor Fakhreddine/lyon during the Fall '07 term at University of Texas.

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CH 301-Hance-Fall 2004-Test 1 - Version 153 Exam 1...

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