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Unformatted text preview: Initials: ____________ 1 Chemistry 105 B PLEASE PRINT YOUR NAME IN BLOCK LETTERS Exam 1 Name: ______________________________ 09/21/10 Circle Lab TAs Name: Jia Leslie Marcos Yuan Dr. Jessica Parr Circle Lab Time: W1 W4 Th9 Th1 Th4 Instructions: 1. You must show work to receive credit. 2. There are 11 problems on 10 pages. Please count them before you begin. A periodic table and some useful equations can be found on the last page. 3. If necessary, please continue your solutions on the back of the preceding page (facing you). 4. You MUST use black or blue ink. (No whiteout, no erasable ink, no pencil.) 5. Your exams will be scanned. Please write your initials in the top right hand corner of each page. You MUST submit all pages to the proctors, including the periodic table page. 6. Only a Casio FX-260 calculator may be used on Chem 105a/b exams. 7. Turn off cell phones and other electronic communication devices and put them away, out of sight. They may not be taken out of your bag during the exam. 8. When time is called, stop working on your exam immediately, turn the exam over and pass it to the aisle. 9. Good luck!! =) Please Sign Below: I certify that I have observed all the rules of Academic Integrity while taking this examination. Signature: _______________________________________________________________ Last 4 Digits of USC ID:____ ____ ____ ____ Question Points Score Grader 1 8 2 8 3 8 4 10 5 12 6 10 7 6 8 8 9 10 10 8 11 12 Total 100 First Letter of Last Name Initials: ____________ 2 1. (8 pt) A reaction in which A, B and C react to form products is found to be 2 nd order in A, 3 rd order in B and zero order in C. a. Write the rate law for the reaction. b. What is the overall order of the reaction? c. By what factor does the reaction rate change if [A] is quadrupled?...
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- Fall '08