Chemistry 1A - Fall 2003 - Head-Gordon - Midterm 2

Chemistry 1A - Fall 2003 - Head-Gordon - Midterm 2 - Summer...

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Unformatted text preview: Summer 1: PEatomi: Tame: I.) Whydoes the imllfliliflfl mergy inereaae 1when electrons are oooaeetntvely removed fiom an atom? A} the outermost eleetron snot-times a higher effective nudear charge B} theremainingeleetronsareheldmore strongly stomjo radius is deoreasing all of Ilse above E] none oftl'te above For the next two questions oonsitler the ionization energy of sodium is 496 Hfmol and the electron affinity of Cl is $49 kJJ'itioL 1.] WhatiaflaeapproxinmtenetmergyohangeinpmduninngaodflrfiomNamd Clatoms [IrJi’uiolF Mo. 4' ND’ ‘It‘ I ‘ “t 1:3,; so B} o o} 4.23 [1} -sm E} ans 3. W'ltai' thenet makmgtheHeClmleeulem l}fiomtheio|:ut? m “giant's: 'bsEJ WIMEME mast Mm: stlonh s (3)313 Dlfili} E) ms For the neat four questions consider the followingm storm Er, Sn, Eb, Te, I. 4.] Which has the largest atomic radius? “fills Gag o}si-. D}Te s}: 5.] Which is the most paramagnetie‘? 1.. ere. Zia a: l” a] 511 ($1; 13;.“er 135i .1" 6.] Whleh has the largest ionization meta“? r 13m a} an C} at o} Te E] 1 1'.) 1litthioh has the largest eleetrooegafitrity’? if QE B} an C] at: D] To E} I "a W6 Solomon 1: CHEMICAL EDNDING For the following ton questions, oonsidcr the lowest onergy Lewis struoture for 111: following moleculeafioos: 5133. PH}, SETT' [you may want to draw : the Lewis mums in tho spoon: moi-Flood, the cont-31 atom is higtflightod}. | .Q. . ”1' .. .- .. n HQ; "1:? (: S=C'-.—.,I-J z] I .r, I'll.“ +1. (ma-"2,9. “'1' ‘ " .. . __ .ngrg', fit'i—W .r- Lil}; . 14:, 53:42. a” 3.} WhjohiamsparfifltomiomwawsfmmH-W _,-' 2. A} PH 3, o} sow—1 {fig}, o) all 11w: E} noon 9.] Wish D—Eflbmflmg’leiofifla? A190 EJIDE o] no @20 E11312} 14.} Whichi: thehutdaam'iptinnufihe orbital Wfl‘iap inmaP—Hhmflinmgi Ill: ‘2' axis in L11: internuclear axis)? ‘1} plunPwithEplunH iii 5} plianPwithsm-IH H44 31:: meiihmunH .. , finnPwithaplnnH #14:»: an unPwithsunH L1H “inn”? 15 mulucultischiral? "-' ‘ MPH} ‘mscrrl ELLE-D: i’fimm @cm 16) Hymn muldcnmmmcmmainmymlm huwmanydiffiflmtmuralimm “mm-Mm“? 1: c H an a}: Q}: DH E}: s~ 1.4 L ‘H E I: 1T-}%a1i£th=shapeufPH3? It [inc-II. Bani. Triganal wilful. Square planar. E} Teuahudral. at, -~ flafim‘“ Pam-,5 Fur the fulluwing five questiuns match the atomic urbitals with the mulecular urbital theyr qud fimn. 23.} Web ufth: molecular nrhilals in the prmadhg tabla muld haw: 1hr: highcm energy? _-\_-|. III-I'l- my. B} E f C] r.: x D} D E]: E U 24.} If ‘mmrric acid [Show rigl'n} smells: sour, which one arm: fullmving cumpouncls is 315:: Iilmly to small mm? * «<3» Ar“ Ari/JEKI‘HN A l. B ‘3 c D E any—J"; Page 15 15.] [n which Df'lhfi fanny-ins palm is human-carbun band Iikcly In I}: the 5mm '1‘ '1. - gust “I; {u 1‘; L H gflgflflfia fl - k mam; ~ a a 5-H wan—{1' 4: “f: “$- C CHF u. éHEJCHE fi’gif‘H 1 . ') H1CD Hing; 26.] Which with: fulluwing mixturu of Hamil: orbitals has: duct-lbw. the. a hundhg arbitalinfli? H‘H _ _ [email protected]+s B}:- 5 ‘ETP:;|,-PE 'fihh'PI m+pfir 1.5 ”a. ___ I" fri— Elli-Hilr'hich ufth: fulluwing mixhnu uf mm: arbitals has! mm thc a herding kQ-_-f whim-h in HEW? - 'l '1'— -m H Ell-a gnaw: ”fix-P: Efrfin ““5“" - 23.} ”ch arm: fulluwing mixtures nfatumic whim] hast desfl the flap banding I'M. Mimaillth? ”La. -- ,rfl' IE— _ .. flak—j. r- £63: I: £511- h}3+s E}3+p$ C) +131 E]p,+p, . fag-n11- - 1- N” W 1“ Isl-.31” It" 5'3 29.)WhatmthnbundurduafH¢1. hhlfiflp a. , 1 lid}: I”? '3' [ml-1’“: “1 1 arm" ELF AH} B] 2 {3}] [HIRE E}: :-- W11; fififiHWLt-f 1'51“: 'W a a ”u ‘3" “1 Wu. Eufiirtjw Page? *' _ r!- 'JFfi IF gill-fir 1i“.- ._—; ii 1!. Use the fellewittg molecular erbltsl energy diagram fer the next three questiens. El LIP—- "1—. ft. .112: fill—1L1!“ if. in!" L 2st: 31].] l-ltmr many unpaired eleehms are in D1"? A}D Ly C]! [113 EN: 31.} mewmmmems? my; [3, fil' '1 1. A} D B} If! C} 1 @E E} I 32.) Which of the fellewing is net permegnetie? \Qflf Mus \EQ HE} .F E} Ctr SECTIDN 3: THE BEHHVIDR DP BEEF-‘3 Unless stated etl'terwise, the system fer the next seven quesflens is a rigid 12.4 L flask eenteining an equal number of mules ef gsseeus N1 meleeules and Cl status at Lilll stem and Eill‘fl. 33.]: Wisthetmalnumberefmeleeufgssinfieflask‘? A} I115 B} [LE-[l @J} D) 1.54] E) 11]] 34.} What is the partial pressure efflg {31:11}? A} use .se a} are D} Lee E} see ? 35.} Whalis flleprmwe inflmflutifflnmmmnim m IDD‘C? A} 11.16 3:10.54 Q}! B} 1.36 E} 1.1] l’ :53. PSI: , mfihabfl _, f ‘1'. 1’1 FL Fr? 5:13 I: “Em—£111.15 315.] Whflmtumlpmauminflnflukifmcmnhufhfiuwmmbcaddadm mnstamtumpammlflfi'fl}? HWJ' snail. $111125 B'Hlfifi' C}D.T5 [111.011 @DU h” .41 .4“- 1" ".r' HTJ lfalldlcfllflnmawmmmflmfl fol-111C]: mmwhflwnuldbclhcptmm infinflukwnmmingmflymmflfimnde‘fifls'C}? $11.15 31111.5(! @35 D) LII} E1100 35-?! 11 I 33.} WhichhasfllnhiglnatmutmmaquwadwlocitywbmfljficilamianrCLChJ I" #1433513]? ’fi' is | j 5* MCI El 1 mm, Dliallmthemm 39.} WhichhuhflflmtmularkflrfinmgywflflmisamixuucafCLChmd ”1355]? A] El B}I~I; will: @lmflmm - -:: .‘ihfil'; ‘- 1' J“u":Tl u}: ': l. . u"'l£‘i;'l "'15;- —. ailing.“ For the next questions, choose the plot that best describes the relationship between the variables listed (y vs. x). Y Y Y Y Y A) B) C) ‘ : D) ‘ C E) L x x x ' x x 40 ) Pressure vs volume for a real gas below its critical temperature‘? {2 v f a: A)A B) C)C D)D E)E the”? 41.) Pressme vs. volume for a real gas above its critical temperature“? A) A B) B C) C D) D @E 42.) Volume vs. temperature for an ideal gas? V ‘ J. T. A) A B) B (3 D) D E) E . the velocity of a gas? A) A B)B C) C E)E articles vs. particle mass at constant temperature? ’ 44.) ' 'c energy of a mole of gas p . 6y? r2 l C) C D) D E) E I A) A; B) B 45.) Kmetic energy of a mole of parfi vs. temperature. C) C D)D E)E A)A B)B ...
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