ap05_frq_chemistry_b

ap05_frq_chemistry_b - AP Chemistry 2005 Free-Response...

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AP ® Chemistry 2005 Free-Response Questions Form B The College Board: Connecting Students to College Success The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 4,700 schools, colleges, universities, and other educational organizations. Each year, the College Board serves over three and a half million students and their parents, 23,000 high schools, and 3,500 colleges through major programs and services in college admissions, guidance, assessment, financial aid, enrollment, and teaching and learning. Among its best-known programs are the SAT ® , the PSAT/NMSQT ® , and the Advanced Placement Program ® (AP ® ). The College Board is committed to the principles of excellence and equity, and that commitment is embodied in all of its programs, services, activities, and concerns. Copyright © 2005 by College Board. All rights reserved. College Board, AP Central, APCD, Advanced Placement Program, AP, AP Vertical Teams, Pre-AP, SAT, and the acorn logo are registered trademarks of the College Entrance Examination Board. Admitted Class Evaluation Service, CollegeEd, Connect to college success, MyRoad, SAT Professional Development, SAT Readiness Program, and Setting the Cornerstones are trademarks owned by the College Entrance Examination Board. PSAT/NMSQT is a registered trademark of the College Entrance Examination Board and National Merit Scholarship Corporation. Other products and services may be trademarks of their respective owners. Permission to use copyrighted College Board materials may be requested online at: http://www.collegeboard.com/inquiry/cbpermit.html. Visit the College Board on the Web: www.collegeboard.com. AP Central is the official online home for the AP Program and Pre-AP: apcentral.collegeboard.com.
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2 INFORMATION IN THE TABLE BELOW AND IN THE TABLES ON PAGES 3-5 MAY BE USEFUL IN ANSWERING THE QUESTIONS IN THIS SECTION OF THE EXAMINATION. DO NOT DETACH FROM BOOK. PERIODIC TABLE OF THE ELEMENTS 1 3 11 19 37 85.47 55 132.91 87 (223) 4 12 20 38 87.62 56 137.33 88 226.02 21 39 88.91 57 138.91 89 227.03 22 40 91.22 72 178.49 23 41 92.91 73 180.95 24 42 95.94 74 183.85 25 43 (98) 75 186.21 26 44 101.1 76 190.2 27 45 102.91 77 192.2 28 46 106.42 78 195.08 29 47 107.87 79 196.97 30 48 112.41 80 200.59 5 13 31 49 114.82 81 204.38 6 14 32 50 118.71 82 207.2 7 15 33 51 121.75 83 208.98 8 16 34 52 127.60 84 (209) 9 17 35 53 126.91 85 (210) 10 18 36 54 131.29 86 (222) H Li Na K Rb Cs Fr Be Mg Ca Sr Ba Ra Sc Y * La Ac Ti Zr Hf V Nb Ta Cr Mo W Mn Tc Re Fe Ru Os Co Rh Ir Ni Pd Pt Cu Ag Au Zn Cd Hg 110 (269) 111 (272) 112 (277) § § § B Al Ga In Tl C Si Ge Sn Pb N P As Sb Bi O S Se Te Po F Cl Br I At Ne Ar Kr Xe Rn He 104 (261) 105 (262) 106 (263) 107 (262) 108 (265) 109 (266) Rf Db Sg Bh Hs Mt 2 1.0079 6.941 22.99 39.10 9.012 24.30 40.08 44.96 47.90 50.94 52.00 54.938 55.85 58.93 58.69 63.55 65.39 10.811 26.98 69.72 12.011 28.09 72.59 14.007 30.974 74.92 16.00 32.06 78.96 19.00 35.453 79.90 20.179 39.948 83.80 4.0026 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 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 103 140.12 140.91 144.24 (145) 150.4 151.97 157.25 158.93 162.50 164.93 167.26 168.93 173.04 174.97 232.04 231.04 238.03 237.05 (244) (243) (247) (247) (251) (252) (257) (258) (259) (260) *Lanthanide Series Actinide Series §Not yet named
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3 STANDARD REDUCTION POTENTIALS IN AQUEOUS SOLUTION AT 25 ° C Half-reaction E ° ( ) V 2 F ( ) 2 g e - + Æ 2 F - 2.87 3+ Co e - + Æ 2 Co + 1.82 3+ Au 3 e - + Æ Au( ) s 1.50 2 Cl ( ) 2 g e - + Æ 2 Cl - 1.36 + 2 O ( ) 4 H 4 g
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