Assignment_10 - Chemistry ’20? Assignment 10 ' Kol- Due...

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Unformatted text preview: Chemistry ’20? Assignment 10 ' Kol- Due W1 ‘ 7 +33%“ __.._._—. Name Lab TA Lab Day/Time ' bl m . h 7- 1. For which of the following molecules will dipole-dipole interactions be important? (a) 02, (b) 03, (c) C02, (d) 801 l- " . ,OQ , x553: -. O '0 O' s o 0 £ J u ’ " Qua; do no 50% heat. d (felt? yuan-12' an 2. Which of the following molecules are likely to form hydrogen bonds? (3) HIS, (b) CH4, (c) H1803, (d) PH3, (e) CH3OCH3, (f) CH3COOH, (g) CH3CH10H, (d) CH3CHO {a} Ma‘s Co) @503 (1(7) (:5ch (g, CgscrAaq Tnof‘ Na 5145"”! 3. Which if the following pairs of molecules are likely to have the higher boiling point and why? (a) HIS or H20, (b) NH3 or PH3, (c) KBr or CH3Br, (d) CH4 of SiH... ((1') 5/”? "‘ log" .5" - Ina/g; (a) HA0 '5l'6njn' y'bonl " fl (Jr‘s/Jrrsmr. {ii/(Cf, CL¢J'-nfpp) b) M! — ((CJ “gr is can ionic. Cfimflfikfl J) 6&8” abmc'l'm/fll" my”; in“ 5.9%: I-_ wait r'w Mrsrljflhtat it) fit HF; 41 r- FHVL'T 4. Rank the following liquids in order of increasing viscosity and explain your reasoning. (a) CEHE, (b) CH3CH20H, (c) CHZOHCHOHCHZOH. (d) CH20HCH20H (0)320. I H A ffi‘wu" 7 {T v, V r t In: I JIC ja' I73: 3‘ "-i'l' (£5 (:5 $9" I!" ) f? In 5. Given that silver has a face-centered cubic structure (fee) and its density is 10.500 glcm3 , what is the radius of a silver atom? U A; x ,1 g min i, Cn_%fi; fr Min. CC I _r y I w A: -1 I-‘uflmtf j rlfa'lewj. -‘J=’-"h?“__.__..——-€5"%?5' 5))4393 rJ‘gkjé 1 234 fig-7' ' ‘ - ‘ ‘ J ‘a- J «r ,l g lag-f A; w," 2.. x ‘6 *r L_____. _ 3 .t .2 3 Re .3 = $3. + «r- : 5* a V: O i" .‘r '1: FA; Pgr" ff 2 3 V 3 _ ‘ i 3% Z 3" \r a" V 5‘ r; {3 . “m 3 * "’” 6. Calculate the number of cations and anions in the fluorite unit cell shown below. What is the empirical formula of fluorite? How many formula units are there per unit cell? How would yOu describe the coordination of each fluoride atom? afilrfihg [54;9'15 . $5. 3?" afg‘ncwu {Cue {flu . Ca (at corners of small cubes) 0 F (at centers of small cubes) 7. A diffraction spot is recorded 50 mm vertically displaced from the center of the direct X-ray beam of A = 1.08 A (1 A = 1 X 10"0 m), 200 mm from a crystal. Using Bragg’s law calculate the atomic spacing responsible for producing the diffraction. -,\ :. aggro ...
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Assignment_10 - Chemistry ’20? Assignment 10 ' Kol- Due...

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