322A Lab Quiz 1 Fall 2004

322A Lab Quiz 1 Fall 2004 - CHEMISTRY 322/SaL...

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By b9J: 1. (11)_~_ ~/( ~f--f>V'" FIRST LAB QUI2 NAME _ CHEMISTRY 322/SaL - 2. (8) _ Lab time _ 3. (10) _ T.A . _ 4. (11) _ 5. (9) _ This test comprises this page 6. (6} _ and seven numbered pages. 7. (10) _ TOTAL (65) _ If a question says to answer in fewer than a certain number of words, DO SO--deductian for wordiness. TAa will have quizzes at (make-up) labs and office hours. Labs Nov lD - Nov l~are make-up only; TAs will stay one-half hour if no one is doing a lab. Morning labs convene at ~. GC make-up will be ~ Mon Nov tf, 6:00 p.m. For grading questions on this test, SEE YOUR TA FIRST.
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1. (2) A 24/40 male (inner) st~n:a~d taper joint he~a ~5=- mm (~iCk wall. Calculate its narrow end inside diameter (ID). t~_y\ I QJ)" l;L1 - ~)lM.-Of = ;J. .e 1'1."1 ~ J;P -::. {J.o - ;l.(IS)} .... (f? ..,. .,] 2. (2) Calculate the thickness of an mm. w(·d!". A bottle's partly torn off label says "4-Methy pentan ... ". The carefully dried liquid contents' IR spectrum shows strong absorption from 3100 - 2600 cm- and at 1720 cm- . Assuming the liquid is a single monofunctional compound, tell its likely identity; give reasoning « 15 words) . 1for 1 l -01 \ oV- CI'- ~ tf-~/- ~ oft. 5. (2) An aqueous solution made from 35.0 mL isopropyl alcohol (IPA, ~ = 0.78) is "salted out". The resulting 35.3-mL Upper Layer weighs 30.0 g. Using the table below, calculate ONLY the mass of IPA in the UL. ZERO N£I for doing any OTHBR problem. ~ en 8. 5.f!!!. . Alcohol, wt % 0.9906 6.5 - 3-0.0 ~ .z: a. 'lr 0.9800 13.3 0.9600 26.2 3S.3",L 0.9400 36.1 0.9200 .5.0 0.9000 53.5 :? c-o 7 tf - 7f J t c ;J 11 -9 0.8800 61.9 0.8600 70.3 , 0.8400 78.6S/ g ~;J4 '" tAL ~ ]o.orJ. ~::'t~ f' 0.8200 86.88 0.8000 94.80 0,7900 98.60 ~ II, 1'l.:. 7. - 1. 2. 3 J? -4-. 1 v<t:k s- _ ~ .r1J,,/! vu,. ..... u 0 1<-
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. . - 2 - 160 140 120 100 ~. (2) Note the diagram, suppos- edly the normal pressure liq-vapor phase diagram for cyclohexane(CB)/fur- fural. In < 15 words, lD ~ tell why it ~ be ... incorrect
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This note was uploaded on 09/15/2010 for the course CHEM 322AL taught by Professor Jung during the Fall '07 term at USC.

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322A Lab Quiz 1 Fall 2004 - CHEMISTRY 322/SaL...

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