101E1_2008keyA

101E1_2008keyA - Chemistry 101 Examination 1, May 30, 2008...

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Chemistry 101 Examination 1, May 30, 2008 page 1 of 7 PRINT NAME______________________________ SIGNATURE_________________________ Last First Recitation Instructor_________________________________ There are 2 questions in Part I and 14 multiple choice questions in Part II, in addition to one page of equations and a Periodic Table with constants, for a total of 7 pages . Be sure you have a complete copy before you begin. The backs of pages 3-7 can be used as scrap paper. Turn in pages 1 and 2. Part I. Answer each question in the space provided on the page. You must show your work for credit. Part II: For each question choose the one best answer. Indicate the letter corresponding to this answer in the proper space in the above box. It is best to use pencil and erase completely any answers you want to change. Questions with more than one answer marked will be graded as incorrect. Do not leave any answers blank - guess if you don't know. Part I 1. __________(7) 2. __________(9) Part II __________(84) Total __________(100) version A A B C D E 3 x 4 x 5 x 6 X 7 X 8 X 9 X 10 X 11 X 12 X 13 X 14 X 15 X 16 x A B C D E
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Part I. You must show your work for credit. NAME______________________________ 1. (7 points) Balance the redox equation below in acidic solution as the net ionic equation: Cr 2 O 7 2− (aq) + ClO 3 −1 (aq) Cr +3 (aq) + ClO 4 −1 (aq) 8 H + (aq) + Cr 2 O 7 2− (aq) + 3 ClO 3 −1 (aq) 2 Cr +3 (aq) + 3 ClO 4 −1 (aq) + 4 H
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This note was uploaded on 06/05/2008 for the course CHE 101 taught by Professor Churchhill during the Summer '08 term at SUNY Buffalo.

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101E1_2008keyA - Chemistry 101 Examination 1, May 30, 2008...

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