Old Exam #1 (2005)

Old Exam #1 (2005) - MIDTERM 1 Form A Chemistry 6C...

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MIDTERM 1, Form A Chemistry 6C University of California, San Diego; Dr. Johnson Name: Student ID Number: TA: ***BEFORE BEGINNING MIDTERM 1, PLEASE READ THE FOLLOWING*** 1. Use a #2 pencil 2. Put your name and ID number on this page. PUT THE SAME INFORMATION ON YOUR SCANTRON AS WELL. A=1 for your UCSD ID number . 3. On your scantron, bubble in the form letter of your exam in the ‘test form’ field. 4. ALL MULTIPLE CHOICE ANSWERS GO ON YOUR SCANTRON 5. When finished turn in your scantron, crib card and this exam. 6. Along with this midterm you may have pencils, erasers, a non-graphing, non- programmable calculator, the periodic table/data sheet and your crib card on your desk. 7. Turn off anything that rings or beeps. 8. The Academic Honesty Policy is in full force. Any person caught cheating on this exam will receive a 0 on this exam and be prosecuted under the Student Conduct Code. 9. NO WORK NO CREDIT for free response answers. KEEP YOUR EXAM COVERED AT ALL TIMES YOU MAY WRITE ON THIS EXAM BUT THE MULTIPLE CHOICE ANSWERS MUST BE ON THE SCANTRON. THE SCANTRON WILL NOT BE RETURNED BUT YOU MAY COME AND REVIEW IT BY APPOINTMENT. Free Response/Short Answer: 18. /4 19. /8 20. /15 21. /5 22. /18 Total /50
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Midterm 1, Form A- Johnson Multiple Choice: 1. (3 pts) A reaction that has a very LOW activation energy a) must be second-order. b) must be first-order. c) has a rate that does not change much with temperature. d) has a rate that is very sensitive to temperature. e) gives a curved Arrhenius plot. 2. (3 pts) When equilibrium is reached in an electrochemical cell, the voltage reaches its minimum value. a) True b) False 3. (3 pts) A catalyst INCREASES the rate of a reaction by a) causing the temperature to increase b) increasing the concentrations of reactants. c) increasing the average energy of collisions. d) altering the reaction mechanism. e) decreasing the temperature at which the reaction will proceed spontaneously 4. (4 pts) When concentrated H 2 SO 4 (l) is added to KI(aq), I 2 (s) and H 2 S(g) are formed. When the equation for this reaction is balanced, what is the number of electrons transferred? a)
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Old Exam #1 (2005) - MIDTERM 1 Form A Chemistry 6C...

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