CH 302 Final - 1A 1 1 Periodic Table of the Elements 2A 2...

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Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr He Be B C N O F Ne Mg Al Si P S Cl Ar Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Ra Ac Rf Db Sg Bh Hs Mt H Li Na K Rb Cs Fr 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 104 105 106 107 108 109 58 59 60 61 62 63 64 65 66 67 68 69 70 71 90 91 92 93 94 95 96 97 98 99 100 101 102 103 4.0026 9.0122 10.811 12.011 14.0067 15.9994 18.9984 20.1797 24.3050 26.9815 28.0855 30.9738 32.066 35.4527 39.948 40.078 44.9559 47.88 50.9415 51.9961 54.9380 55.847 58.9332 58.69 63.546 65.39 69.723 72.61 74.9216 78.96 79.904 83.80 87.62 88.9059 91.224 92.9064 95.94 (98) 101.07 102.9055 106.42 107.8682 112.411 114.82 118.710 121.75 127.60 126.9045 131.39 137.327 138.9055 178.49 180.9479 183.85 186.207 190.2 192.22 195.08 196.9665 200.59 204.3833 207.2 208.9804 (209) (210) (222) (226) (227) (261) (262) (263) (262) (265) (266) 140.115 140.9076 144.24 (145) 150.36 151.965 157.25 158.9253 162.50 164.9303 167.26 168.9342 173.04 174.967 232.0381 231.0359 238.0289 (237) (244) (243) (247) (247) (251) (252) (257) (258) (259) (260) 1.0079 6.941 22.9898 39.0983 85.4678 132.9054 (223) 18 2 13 14 15 16 17 3 4 5 6 7 8 9 10 11 12 Periodic Table of the Elements 8A 2A 3A 4A 5A 6A 7A 3B 4B 5B 6B 7B 8B 1B 2B 1A 1
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Thompson, Margaret – Final 1 – Due: Dec 13 2007, 4:00 pm – Inst: James Holcombe 2 This print-out should have 50 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. F = 96485 C/mol R = 8.314 J/mol K = 0.0821 L-atm/mol-K Kw = 1e-14 (at 298 K) ASK PROCTOR FOR ANY OTHER CONSTANTS THAT YOU MAY NEED TO SOLVE THE PROBLEMS *** Have an enjoyable break. -jah 001 (part 1 of 1) 10 points Consider the reaction Na + (g) + Cl - (g) NaCl(s) . If the temperature is lowered, what is fa- vored? 1. reactants 2. products correct Explanation: 002 (part 1 of 1) 10 points At 1000 K the equilibrium pressure of the three gases in one mixture 2 SO 2 (g) + O 2 (g) * ) 2 SO 3 (g) were found to be 0.562 atm SO 2 , 0.101 atm O 2 , and 0.332 atm SO 3 . Calculate the value of K p for the reaction as written. 1. 2.64 atm 2. 5.83 atm 3. 3.46 atm correct 4. 0.171 atm 5. 0.289 atm Explanation: P SO 3 = 0 . 332 atm P SO 2 = 0 . 562 atm P O 2 = 0 . 101 atm K p = P 2 SO 3 P 2 SO 2 · P O 2 = (0 . 332) 2 (0 . 562) 2 (0 . 101) = 3 . 46 003 (part 1 of 1) 10 points A diprotic acid H 2 A has values of K a1 = 1 . 0 × 10 - 6 and K a2 = 1 . 0 × 10 - 10 . What is the [A 2 - ] in a 0.10 M solution of H 2 A? 1. 3 . 2 × 10 - 6 M 2. 1 . 0 × 10 - 10 M correct 3. 0.20 M 4. 3 . 2 × 10 - 4 M 5. 0.10 M Explanation: 004 (part 1 of 1) 10 points Which of the following statements about the reaction quotient is true? 1. When the reaction quotient is equal to unity, the reaction is always at equilibrium. 2. When the reaction quotient is less than the equilibrium constant the back reaction is favored. 3. The reaction quotient is always equal to K eq . 4. If Δ G 0 is less than 0, the reaction quotient is negative. 5. When the reaction quotient is larger than the equilibrium constant the back reaction is favored. correct Explanation: 005 (part 1 of 1) 10 points Find the normal boiling point of 0 . 17 m NaCl(aq), assuming it undergoes complete dissociation. The boiling point constant of water is 0 . 51 K · kg / mol. Your answer must be within ± 0.01%.
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