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CHEM 230 Problem Set #7_key

CHEM 230 Problem Set #7_key - CHEM 230 Problem Set#7...

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Unformatted text preview: CHEM 230: Problem Set #7 Textbook problems: 6.15, 6.16 Additional problems: 1. How many MX formula units are there in a unit cell of zinc blend and wurtzite? How many MX; formula units are there in the unit cell of fluorite and rutile? (See Fig 6.l 8, 6.20 text) 2. Using radius ratios, suggest a probable structure for BeO, BeS, MgO, AgBr, TlCl and M gS. (Appendix 6) ' 3. Calculate the lattice energy of Lil. (Use Appendix data) 4. MgO is twice as hard as NaF, explain. 5. KF has the rock-salt (NaCl) structure and a density of 2.468 g/cm3. Calculate the dimensions of the cell. 6. Self study exercise #2 p.173 7. Self study exercise #3 p.175 .1" "i t: (Sm. Jr Ci Hru=' {Hui-3‘ , f“ r 3—33 Sam KS: (3') .1 COD Z- K3) _ x /l 2.43“: _ / U é|o~ zeal-leak) 2. -— / ZCJC - Ci (\ *- 7-"- ‘M 5) Via C53) " l “>q , L3,) U '3 aHFO " «(J/{2. (5.» 'IE/ - ISL '" 2“ ’[c'u (Chg) " 24H:A(Cf(9,) AHr 8' UL + a #3043) + IE, 1- IE1 + o/fi $02691) + 0/115; affliflfl; €309.g kj/Wol For {003) i, are: —7 012% Fro-M Afiwg‘iu q (bl-451*: (55(7- k‘S/ww.‘ A #M ~_-. — gov. — MC,»- 7317 4451* zhrq - (4177:) X Um—irk-mn‘xx “is Cram +LK—L Culcu‘cnticl \“UW‘L 6% (’73-!C5‘3 1,43%.40‘) w‘m‘c‘rx i“: CLUhP-LC‘ CTOM 0"“ e‘uéLw-Slt’lfi- VVLDAXIL * AJJAMJ Praéém @ Zinc; ALVIC/ $3 /:/U0r‘a-'G: C'a/fz 4-“ 4:8 - ,1 f a n r 7702‘ 2 it 2 s m , @ Wm Make SUAL grmu/q emf/5 maficz gf/HU/c; ,/ @ - + 1,"? “ _ @ CONEOW’IC/ F [5” {LE-’4— ‘}pfoéméde 314116141 ' 8e 0 3;} 0.19 CN-fl; 9‘61““ CM“ - ZIMSEJ M3 0 (9.5: cw—c, @{Nuct awn.) I 5" .43 gr ‘Kqu o 50: chg (Mum may“) , :50 _ ., .- . NC! /13a‘0*3:> Gun? ((50 gm“) ' 'Clo..e l'b 153w - Mg 3 O. 3‘4 CN=U~ Adi“ (“:3“) NuCi sHugLuN. ED Use— (figmeL LL94.” M x shark Cm v5; Elma”) 7H nah-s) T Li “IQ, ‘ 3 U \ 7? " {as “- 0-35 => 0“” EEC; 25‘in AflmAfK (a “Wis Mac‘gkunj (onsLML A: Lesa a -= —/589 A 44¢ -——L§§_zL/_é§39 r (0 7é+220é> ( n) . 4+— M' O 1 7 NJ (incl 01' Shara/é!" (“.74an oéofgéaéz. j (Amf 0A [>0 (LA IONS __..————— , .3; mofli eWZj Mcfic/ A Amajc c7041”; SARA)“ Unit- cszU ConLCkaS HXK+ Mcl Lix 1;: ions in Uni¥ c2.“ L—lx KP: grmu‘m U‘n;‘i"3 Mu.) KF— = 3?.09C "3 f I 561033 '13 = ““065 m V0 [UN /-) Formula Uh; E I ZHG‘BL‘L —.: Lf-x 580‘“; 6 x f,— Cmq" rm COLTSX tors QFWkunfi/Mai C-uni F mu kfljm CL )3 -9 c o 0L: sax/o GM (1- 513 A (Am/5, ”ford? m A V G) h ’I' 1 i \ x W... ‘ ‘ r" 1L. ‘_ ,. 1 Li; ‘3 {”3 “Uni Len. UFW‘L‘JQO EMF”; M\ b I L\ r.— ( 1\~l ‘_. C \ ‘3‘"TL. _k—U ”x4; [I i J ; :\1%79 AOL: ,L'A/er/Zn/el /. LU __,...—-—— '" , @5113 we” ) (I. '7'—{"Mp-)(‘I)(K)(i.éoz></oum) (/h l > ~fl’”***fl”-*Fdfifw—“f:— L1’ (WHEESW xlo"L)(2.L,é x10"! m) 8 :7 NYWn/fl—u‘ r13 (WHH'H ky~k £145.31“; A 601/1 8 LA; £1“ = 97934, KT V \AC)[ (1 I LLL‘LVLLJCI— LuaH’muL Ema—3A4} hit IVLSC \L “HT—1‘0.” N a ”at: L ) 4" C.\LL‘33 > {\3C#\L L5) u x p; ZAHR «fit v _ #11,.) mg») + Wm 9mm.) \/ *1“ IE k \: WM? ‘ balk ROW-- APPC’AA‘C‘fi-5 C I! ~ém —~ \L‘xro— 2102.1) _ 203%) -— 7-37.7- (L251 : ~2'Szo kT' WOX pun...“ /~"-”” ' ‘ ‘ © gcéilflj Ci {die/lag OF Ciel/J arrmw’ltz. LO‘rnLFS Rag \ FCC. Packing :7 3x 337' + CaKé : L-\ COMPLJI “DPM5 [email protected] (LL "3’ CL?— ='- (Chair: nmL> a 0 CliotjonaL *- H I" I L—‘A 6' 2. 1 6k ' 9 Zak T- , Cr: f“ Ck 7' fir CeH Volvaa = «13 =CJ§03 UMP (flu Con‘zu‘ns ‘4 SP‘WS =~ Ll 3i BEWF’S ~ . L“ ”Q. . _ Li 3 . QM? CC ”Pmfi* le'ifi'r xkooZ gm? .. ‘ - “$3, a H ‘97“, meV. "' “HA 221° (3 ___.__. ...
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