AP Chem 08 - Chapter III: Answers to the 2008 AP Chemistry...

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45 Chapter III: Answers to the 2008 AP Chemistry Exam ■± Section I: Multiple Choice ■± Section I Answer Key and Percent Answering Correctly ■± Analyzing Your Students’ Performance on the Multiple-Choice Section ■± Diagnostic Guide for the 2008 AP Chemistry Exam ■± Section II: Free Response ■± Comments from the Chief Reader ■± Scoring Guidelines, Sample Student Responses, and Commentary Section I: Multiple Choice Listed below are the correct answers to the multiple-choice questions, the percent of AP students who answered each question correctly by AP score, and the total percent answering correctly. continued on the next page Section I Answer Key and Percent Answering Correctly Item No. Correct Answer Percent Correct by Score Total Percent Correct 5 4 3 2 1 1 A 87 82 77 70 54 72 2 E 94 85 75 65 45 70 3 C 89 81 69 58 37 63 4 C 91 76 66 58 46 65 5 E 95 86 76 65 42 69 6 B 74 45 32 25 22 38 7 A 91 79 69 62 51 68 8 E 85 67 51 38 25 50 9 E 90 79 67 55 35 62 10 C 69 52 41 33 21 41 11 A 56 36 29 26 23 33 12 C 93 79 62 45 25 57 13 A 81 57 39 26 16 41 14 C 71 47 32 21 13 34 15 B 99 96 91 83 52 80 16 E 87 72 58 47 37 58 17 A 91 75 56 40 24 54 18 C 85 72 63 57 43 62 19 C 99 95 89 78 48 78 20 E 87 66 48 33 16 46 21 B 95 88 79 68 42 71 22 C 75 50 36 26 19 39 23 B 97 92 87 80 64
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This note was uploaded on 08/27/2010 for the course CHEM 1070 taught by Professor Sticker during the Spring '08 term at Northwestern IA.

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AP Chem 08 - Chapter III: Answers to the 2008 AP Chemistry...

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