Test 11 Name _________________________ Chemistry 116-C Section ____________ EXAM I Total Points = 150 TA ___________________________ Thursday, 7:00 PM February 8, 2007 1 THIS EXAM IS FOR STUDENTS WITH MONDAY-WEDNESDAY 10:30 LECTURE. YOU SHOULD HAVE AN ORANGE COMPUTER ANSWER SHEET! Directions: 1. Each student is responsible for following directions. Read this page carefully. 2. Write your name and other requested information on this page and on the separate answer sheet. 3. CODE your name on the answer sheet using an ordinary (#2) pencil. 4. CODE your correct 10-digit identification number (PUID) on the answer sheet. THIS IS VERY IMPORTANT! 5. CODE your section number on the answer sheet. Please use all four digits, 0101, 0102, 0201, etc. This is also very important! 16. CODE the test number shown in the upper right-hand corner on the answer sheet in the block labeled “Test/Quiz Number”. This is Test 11. 7. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON THE COMPUTER ANSWER SHEET! 8. This exam consists of 20 multiple-choice questions worth 7.5 points each. Choose the one best or correct answer for each question and write it both on your exam paper and on the computer answer sheet. The computer answer sheet is the only one that will be graded! 9. This exam consists of 8 pages plus a Periodic Table and a page of Useful Information. Please check to be sure that you have them all! 1 END OF EXAM 1) Please make sure that you have entered 20 answers on your scan sheet. 2) Make sure that you have entered your name, ID number, and lab section number (4 digits). 3) You MUST turn the scan sheet in to your TA before leaving the exam! 1
Chem 116-C – Exam 1 (Test 11) – 2/08/07 _____ 1. Consider the following reaction at 25 o C, (CH 3 ) 3 COH(aq) + HCl(aq) → (CH 3 ) 3 CCl(aq) + H 2 O(aq) The experimentally determined rate law for this reaction indicates that the reaction is first-order in (CH 3 ) 3 COH and that the reaction is first-order overall. Which of the following would produce an increase in the rate of this reaction? (a) increasing the concentration of (CH 3 ) 3 COH (b) increasing the concentration of HCl (c) decreasing the concentration of HCl (d) decreasing the concentration of (CH 3 ) 3 CCl (e) It is impossible to tell. _____ 2.
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