exam2 - Department of Chemistry Brooklyn College 1...

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1 Department of Chemistry Brooklyn College Chemistry II; Spring 2008 Lecture Exam 2 Name: ____________ANSWER KEYS __________________________ 1. Select (circle) your Lab/Recitation instructor and section : MR9C (Bhatia); MR9D (Kahanda); MR9E (Kelebeyev); MR9G (Kelebeyev); MR9B (Wittmeyer); MR9A (Shakya); RISE (Kopkalli); BOSC (Abbasi) 2. Write your name on each page of this examination booklet! 3. See next page for some useful info. 4. Before you start: a. There are questions printed on both sides of the pages. b . Remember about the proper units, and the correct number of significant figures. c . For part credit , show all set-ups. d . Check if you have all the pages (there should be 14 numbered pages). 5. You have ONLY 90 minutes. Do not spend too much time on one question. 103 Lr (262) 102 No (259) 101 Md (258) 100 Fm (257) 99 Es (252) 98 Cf (251) 97 Bk (247) 96 Cm (247) 95 Am (243) 94 Pu (244) 93 Np (237) 92 U 238.03 91 Pa 231.04 90 Th 232.04 89 Ac (227) Actinide 71 Lu 174.97 70 Yb 173.04 69 Tm 168.93 68 Er 167.26 67 Ho 164.93 66 Dy 162.50 65 Tb 158.93 64 Gd 157.25 63 Eu 151.96 62 Sm 150.36 61 Pm (145) 60 Nd 144.24 59 Pr 140.91 58 Ce 140.12 57 La 138.91 Lanthanide 114 Uuq (289) 112 Uub (285) 111 Uuu (272) 110 Ds (281) 109 Mt (268) 108 Hs (277) 107 Bh (264) 106 Sg (266) 105 Db (262) 104 Rf (261) Ac- Lr 88 Ra (226) 87 Fr (223) 7 86 Rn (222) 85 At (210) 84 Po (209) 83 Bi 208.98 82 Pb 207.2 81 Tl 204.38 80 Hg 200.59 79 Au 196.97 78 Pt 195.08 77 Ir 192.22 76 Os 190.23 75 Re 186.21 74 W 183.84 73 Ta 180.95 72 Hf 178.49 La- Lu 56 Ba 137.33 55 Cs 132.9 6 54 Xe 131.29 53 I 126.90 52 Te 127.60 51 Sb 121.76 50 Sn 118.71 49 In 114.82 48 Cd 112.41 47 Ag 107.87 46 Pd 106.42 45 Rh 102.91 44 Ru 101.07 43 Tc (98) 42 Mo 95.94 41 Nb 92.906 40 Zr 91.224 39 Y 88.906 38 Sr 87.62 37 Rb 85.46 5 36 Kr 83.80 35 Br 79.904 34 Se 78.96 33 As 74.922 32 Ge 72.64 31 Ga 69.723 30 Zn 65.39 29 Cu 63.546 28 Ni 58.693 27 Co 58.933 26 Fe 55.845 25 Mn 54.938 24 Cr 51.996 23 V 50.942 22 Ti 47.867 21 Sc 44.956 20 Ca 40.078 19 K 39.09 4 18 Ar 39.948 17 Cl 35.453 16 S 32.066 15 P 30.974 14 Si 28.086 13 Al 26.982 12 Mg 24.305 11 Na 22.99 3 10 Ne 20.180 9 F 18.998 8 O 15.999 7 N 14.007 6 C 12.011 5 B 10.811 4 Be 9.0122 3 Li 6.941 2 2 He 4.0026 1 H 1.007 1 PERIODIC TBLE OF THE
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2 Department of Chemistry Brooklyn College Chemistry II; Spring 2008 Lecture Exam 2 Name: ____________ANSWER KEYS __________________________ Useful and useless information: c = 3.00 × 10 8 m/s R = 0.08206 (L × atm)/(mol × K) = 8.314 J/(mol K) F = 96500 C/mol Q n E E log 059 . 0 ° =
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3 Department of Chemistry Brooklyn College Chemistry II; Spring 2008 Lecture Exam 2 Name: ____________ANSWER KEYS __________________________ 1. (2 pts) While a chemical reaction is going on (before equilibrium has been reached), which statement is true (select one)? (a)
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This note was uploaded on 04/23/2008 for the course CHEM 2 taught by Professor Ciszkowska during the Spring '08 term at CUNY Brooklyn.

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exam2 - Department of Chemistry Brooklyn College 1...

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