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112_Sp11_Ex1_A - Chemistry 112 Name Exam I Form A Section...

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Chemistry 112 Name _______________________ Exam I Form A Section _______________________ February 2, 2011 eMail _______________________ IMPORTANT : On the scantron (answer sheet), you MUST clearly fill your name , your student number , section number , and test form (white cover = test form A; yellow cover = test form B). Use a #2 pencil. There are 24 questions on this exam. Check that you have done all of the problems and filled in the first 24 bubbles on the scantron. The maximum score on this exam is 24 points. Your score will be reported in percent (max 100%). Exam policy Calculators with text-programmable memory are not allowed. Relevant data and formulas, including the periodic table, are attached at the end of this exam. Your grade will be based only on what is on the scantron form. The answer key will be posted on the web after the exam (on the Exam Schedule page). You must turn in your cover sheet with your scantron answer form. Hints As you read the question, underline or circle key words to highlight them for yourself. Avoid errors from "mis-reading" the question. Pay attention to units and magnitudes (decimal places) of numbers obtained from calculations. There is no penalty for guessing. CHEMISTRY 112 EXAM 1 February 2, 2011 FORM A ------------------------------------------------------------------------------------------------------------------------------- 1. For the data shown below, which one of the following statements is true about the reaction order? [A] 0 [B] 0 Initial Rate (M/sec) 0.1 0.1 0.001 0.3 0.3 0.027 0.1 0.2 0.004 0.2 0.1 0.002 A. The reaction is first order in A and first order in B . B. The reaction is first order in A and second order in B. C. The reaction is second order in A . D. The reaction is zero order in A and second order in B . E. The reaction is second order in A and second order in B . -------------------------------------------------------------------------------------------------------------------------------
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