Quiz 4 Solutions

Quiz 4 Solutions - Q uiz 4 C hemistry1 03,S pring2 008 0 9...

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Quiz 4 - Chemistry 103, Spring 2008 09 AM version 01 BUBBLE FORM: 1. ENTER YOUR NAME (last, first) AND ENTER BUBBLES 2. ENTER YOUR ID NUMBER AND ENTER BUBBLES 3. YOTJ MUST FILL OUT THE FOLLOWING TEST VERSION CODE ON THE BUBBLE FORM BY BLACKENING BUBBLES 4. WE RESERVE THE RIGHT TO MOVE YOU DURING THE EXAM AT ANY TIME. FOR ANY REASON Enter Test Version Code near the ID number under Birthdate header as shown below: BIRTHDATE DAY YR 09
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Questions l -4 are worth 5 points each. 1. For a reaction, the activation energy is 432 J at 35oC, and the pre-exponential factor A is 140 s-r. Calculate the rate constant for this reaction. a) 120 s-l Or4os-l c) 310 s-r d) 210 s-r e) 170 s-l K* .{ &, > l(( {) F-e 4?T- 2. For the dimerization of cyclobutene (shown below), the rate constant is 0.870. M-lmin-I. This is a second order reaction. 2 CqHe - CsHtz At t:3.00 min, [C+Ho] :0.0500 M. Calculate the concentration of C+Ho when
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Quiz 4 Solutions - Q uiz 4 C hemistry1 03,S pring2 008 0 9...

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