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E2KeyDay&Eve - C/O{a I ZOO" 53".1-13...

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Unformatted text preview: C/O/ {a I. ZOO? --" 53"...1-13 1! _‘_7-7— _ IIIIJI"E_' M’WM .-1EL.({1L?IJ TACK-'1 fifffl n I; “III-7:} Each question is worth 4 points. Choose the BEST answer for each question. 1. Which of the following is best described as an ionic compound? a. CC} I f " b cc12 ”‘1‘ Ce" 4'“ - 4 1 5- H239 am m:- h( (M’M) d. Cgl—LOE can cg’ 02"" 2. YWhich of the following anions has a —3 charge? a. carbonate ion b. acetate ion 3.... Q nitride ions-mm if; d. sulfide ion e. aluminum ion 3. The ion formed when a neutral nickel atom loses two electrons is Ni2+ W . Ni?" IV" mug-ADJ 29,9 13¢... c. isoelectronic with argon 2.1." d. isoelectronic with iron (II) ion M 1”“: 3 $- 1”; e. a and d are both correct 2?, 2,“, 4-. The formula weight of strontium hvdroside, MOI—1)., is about a. 4? ngol. 5(— 37"; b. 56 ngol. c. 105 ngol. 122g/ms1. Z. In] z£;.afi79 I 2:247_ E' No g/rnol. ’2" égqé 5. flc bonds result from a. overlap ofr orbitals. b. overlap of}: orbitals. Q transfer. rather than sharing. of electrons. d. bonding interactions between elements with similar electronegativit}? values. e. sharing interactions between two or more elements that have high electron affinities. 6. Calcium hvdrogen carbonate has the formula a. Cal—IECCJE £7,093” W £07131: #3:? b. cagerccj2 I; 4/59 bow” AS Aggréggak I <3 canned;2 a. caracray2 W3” e. GREG—1': OQB azi- C) {rim-'- 7'97“”? ”142 T. 9. 10. 11. Which ef the fellewing is the Jessi eleettenegstise? / E/ar/rany- Mmrfif M j” of/rgL} I}? f 77 The fetniuls. ef ehIeniiuni (H) petehleiste is (30110312. Wat is the feiniuls. ef sluniinnni M 02." s. C in. Cl C. Si e1. 0 Hf petehleiste? flKClOQE b. 5116:1002 e. A13(C1C34)2 e1. ifiilClQ.4 e. 53143104 The phesphste inn is s. P:— b. PC33— e. P032" :1. PO:— The feiniuls. efiien (H) Inside is: s. Fe O \ b. FeZC‘E Ffizp". Q FeC} e1. FeC)2 e. Fe302 N1 Ns. Wish hes the 1srgest ienisstien energy? ‘ . thWQ ’3. “LW/p/fl/w" flsI—IEJ is en E3134 nieleeule. Wet is the sppiesiniste H—fls—H bend angle in sisine? 900 1090 120‘: 150‘: 180‘: N "“2! “53%; M?" £15 SVALz. 3H 360‘3 “‘0- W... 4113an py rm“ 13. ft nicilecule “will be described as bent if / Hm" I. The central ateni has 4 charge cleucls DlellCh ene 1s a lene pair efelectrens. II. The central ateni has 3 charge cleucls efwhich ene is a lene pair efelectrens. III. The central ateni has 4 charge cleucls efsrhich tare are lene pairs efelectrens. EL I j l 1' fl i. I s. n " c. I and III '1» X Q II and III e. I: II and III 14. Wat is the retafnumber of valence refer-trans inaehred in the Lewis structure pf a nielecule ef clinitregen menus-ride? a. a ”2'0 ,4! you,» $74 269') 5/02.. 15. Which cempeund weuld have a melting paint 3* 300°C? Q SrCl L3,; MIC} in”; 2 b. SiI—I‘q c. cc;2 {m L. c1. PClCl5 __ e sc12 5'de 5’ {1+ CL 16. Balance the fellewing cheniical equatien. woj +3 H2 —> a? +3HEO When CDIIECIZI}? balanced: the cciefficient in frcint qu—I2 is: a. 1 Q 3 c. 4 c1. 6 e. HERE {if the abuse 1?. In the reactien shewn in #16:, tungsten in W93, is . being reclucecl tci ferni eleniental W metal was a W b. being esiclisecl tci ferni eleniental W metal 7‘ 1r . the reclucin a ent 1' Z. a. and c aregbfth CDI'I'ECII Oiil'fi' Gill # e. b and e are bath currect £3 1‘ Q I? M 18. Which sfths fsllswiiig sslts is not soluble in water? BsSCl4 fad-Mafm {angle Mi+ b. smsnism pstmsngsnsts c. silsst nittsts ’9‘ ‘0y “A 3J0? c1. calcium scststs s. flgSO4 19. The stable isiis fstiiiscl b}? bsiism slicl iscliiis sis: s. Bs+ and 12+ ( 2k F 7A ngA/l: M c. Es.5+ slicl 1— $2.!“ #- [Ea g, lack/9112. s. s3?- ans 1* 60/ ”52.3035 20. Which sis spsctstst isiis iii . HF (sag) + FrOI-I (s5) - H20 (4’) + FIF (sag) s. F" snl 4' +- “A I, O F > ne-l I? m/wflyj H 0/} 3- b. Fr+ 0111}? + 1" . I—I r11 ‘ s. OH‘ and Fr+ q... - + F“. __.'p F rancher.- g F" and Fr 21. Nsutisl iisiimstsl stsms tsiicl ts :- “H- s. lsss slsctisiis ts fstm cstisiis. mew-M5 /055. e... ”a M“; b. gsiii slscttsiis ts fstm cstisiis. ‘ .... "" -—-‘:> M»? c lsss slsctIins ts fstm snisiis. ”9’3”“; JW‘” £- 5 @ gsiii slscttsiis ts fstm siiisiis. {’9 W m ? "' s. fsmi cssslsiit bsiicls ts mstsl isiis. F a F 22. ft Issctisii tsltss plscs bstwssii hycttscysiiic scicl. ths scicl thst csttsspsiicls ts the c silicls isii. sud msgissium hystssicls. Oils sf ths ptsclucts is wstst. Which is the csttsct EifllE sud fstmuls. sf ths sthst pisssct? s. msghssism hycltssicls. klgflj'mg w b. msghssism cysfliss.MgCN f0 +£1- Ml ’3 M Q msghssism cysiiicls. Mg(CN)2 cl. msghssism clicysi’iiss. WEN); ”M; 4- {’3} (9592.6 ’93 all); s. msghssism (ll) cyssicls. NiggCN 1" ”L0 Use the fellnwing mnleenle fer the next three questinns, 23 — 25. I'll : 0: II It II IrII H— = — e—o—CI: I i 1F in I I * PE: 23. He‘s: man}? lane pair are there in this structure? a. 4 b. 6 9 e. 8 ‘ . a 5 - ? :3 f” “ @669 24. What is the appresirnate C—C—C bend angle? a. 450 b. 90" 109‘“ Q 120‘“ e. 180‘:J 25. What is the approximate C—O—Cl bend angle? I... a. 450 [email protected] (M; b. 900 109': :1. 120': e. 180': 26. Balance the chemical equatien fer the eenrbustien ewal—IEEOE. Wen eerreetl}? balanced. the sum at all at the eeeffieients is: l 60 ill; ””7 @ . e a 5 e? ‘22? 27. Censieler the hypethetieal reaetien:3AL+ 2‘3"” c- 'I" 2.0 . . Hera? man}? nieles efD can he fermeel freni 5.0 niel E12 anel esefs E? f a: 1.7 mal Z [D 3.3 mi N t :. 3-2:: 2M:— .4..." (”I ”f" e. 10. 11101 (5'0Mfll/4LXZM/b >3: 3’33 {NO/A 3m} A1.- U00 th0 balanced r0acti011 1301010 101 qu0sti0ns 28 - 32: 411105 +302 0. 2112 +0020 28. H010 111011}? 111010s 0f100101 010 01000000 1.1111011 4.00 111010s 0f1111310g011 gas 010 f0111100? 0. 24.0 11101 6 an} ”2.9 @ 12.0 001 (4-99 5W :1: ;2, an} [[30 0. 0.00 001 2 M 2- 0. 16.0 11101 0. 2.00 11101 29. 1—10‘0r 111011}? 1110100 0f100101 0011101 00 010010000 £10111 7'00 111010s 0f 0X51g011 gas? Q 14.0 11101 0. 3.50 001 L7~09WX 6 ”fl, ”20> 0 {qua} 112,0 0. 42.0 001 3 0m 2. 0. 18.0 11101 0. 21.0 11101 53"!“ 54.4 0 g101110 2 Z— 32. 91- fl 2‘91 02, 163 g10111s 02 Q 81.6 30000 02 31. 1000111: 11010r 1110113? 1110100 0f 011111101110 1.001.110 00 110001001 1:0 10001: 00111010101}? 1with 50.0 g 0f 0. 40.8 g10111s OE 0X3J'g011 gas? 1 full 0. 31.5 001101.. Lgofigpéxg if?” j): Z .03 ”a; :05, 30. H0111 111011}? g10111s 0f 0x§rg011 g0s 1001.110 00 1100000 t0 101111 5.10 1110 0s 0fw0t01? 0. 36.3 g10111s Oz 200 001101.. 0. 4.1? 11101 NH3 0. 66.? 11101 NH3 0. 1.17 11101 NHL. 32. H0111 1110113.? 111010s 01010101 111011101 00 0100100001 if 4.20 1110100 0f 0X}?g011 g0s 0110 75.0 grams 0f 011111101110 10010 001110111001? Hint: S0m0thi11g might be limiting!‘? Z» S ’ l “#6 FOE/fl: ' a 6.62 11101 H C} ' 2 1 fl 0. 50.0 001 H20 G! 2.0 0%)(5 m 7.9) 0. gt] ”"1 ”220 an 2» 0. 8.40 111011—12'13| 3 0. 2100010120 (740% /MW} émifizp >0: .6 filo/72' 0 25.2 0010120 I 7 3 4 5 33. 34. 36. 37. 38. Which ef the fellewing melecules has M : 0? a. BeCl2 a w c, mé l’kw ”(fl-o b. C02 " c. are. H H a! \. '~ :=- 0 all have 1.1. = 0 6” #3734” 'Y e. 111211113 have p. = U I f LCine ef the fellewing cempeunds is incerrectl}? namecl. Wch ene is wreng? a. 1C1? icicline heptachlericle I. :- fl *1" N205 nitrugen (Ill) mag m [ism 4nd» c. RbECCJE, rubiclium carbenate _ z) a. sacrum. irbn (Ill) haematite (Ht :3 I'm @VJM'f W” e. 1911192 manganese (IV) car-ride Wat is the eaiclatien number ef selenium in the selenite lDI‘l: SeCZ'f—F’ When aclueeus seluticns ef ammenium bremicle, barium nitrate and magnesium sulfate are mixed, a white precipitate farms. The precipitate is likely: «- a. amrncinium sulfate ”1’ 4. 5f." chdiu, IM”: i b. magnesium nitrate I, ”I Ajfllflf‘f ffi’flr‘lfi ’9 c. barium brcimicle 5‘2"" ”93 midj . I cl. magnesium bremicle __ fl Ii" 5!: r 51"“; g, barium sulfate ”Z," :99: I 7‘ f5?!" 63* w J lCensicler the fellewing pairs efatems. Between which e cl jmu expect te ebserire pelar ccwralent bending? ”MM-Id W/ ”J?!“ 1a).- 2iHairlidclClifiilum5 $kfilr‘a‘fj‘i’a’é Mg“, 5# Pif-éb'l' {M5 Oxygen gas ancl hyclrcigen gas will react tci fDIIIl water. Hew man}? leES cif cwXEIgen gas are neeclecl te generate 5.0 meles water? a. 5.0meles QWJM J34 4 #lg‘njfis "gb £114.11!” Cb) Emmi 02. 4‘ Z ”L"‘—‘3’ 242-9 cl. 0.50 mules E‘ 13mm Lg'ml lleX-éfi; @ fl: .2' AW m [ TQM A new, hwy; 39. Fer “which eue ef the fellewiiig weulel ssliel reseiisiiee structures esist? 3- PETS L5 m-ffimomwfi'l’ b. BPS 1'31 W M W C. NEE I, I, *I :5" ‘6 l I I 1. I I. I C052 owe-*9 £71" I ”0* or" ’ I e CO. in Gan—‘3' .. a. :qwawo 40. The number efhydregeu stems in 15 meles ef sulfuric sci-:1 is sbeut: 3" :2 L3 ”Lsfll/ b. C. 6.0 is: 1023 C1. 9.0 Ls: 1024 (e. > 1.8 s: 1025 "to 3111449“ >( 2. I" hazy/Dz _....__ 0“" 435°" may W5 Lg mask ”an; ...
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