CH 101 Exam 4 Sp07 key - C h e m i st ry 1 0 1 0 1 Spring...

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C C h h e e m m i i s s t t r r y y 1 1 0 0 1 1 - - 0 0 1 1 Spring 2007 Exam Four Circle the correct answers on this exam and fill in the appropriate bubbles on the answer sheet using a # 2 pencil. Turn in the answer sheet, but keep this exam for future reference, a key will be posted on the WebCT site. Be certain that, on the answer sheet, you enter your last name, first name, student ID number. Your grade will be posted on the WebCT site.
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CH 101-01, Exam Four, Spring 2007 1 This exam has 28 questions worth 4 points each, the exam has 112 points. You can calculate your score as the number of correct answers times 4. MULTIPLE CHOICE. Select the single best answer to each question, circle it on this sheet for your records, and fill in the appropriate bubble on the answer sheet. For questions 1-6, consider the following reaction coordinate: N 2 ( g ) + 3 H 2 ( g ) 2 NH 3 ( g ) 1. The reaction is: a) exothermic c) isotropic b) endothermic d) none of the above because it reaches equilbrium 2. The activation energy for the forward (to the right) reaction is represented by: a) a c) c b) b d) d 3. The heat of reaction is represented by: a) a c) c b) b d) d 4. What effect (if any) would an increase in pressure cause on this system? a) equilibrium would shift to the right b) equilibrium would shift to the left c) there would be no change in the system d) UV light or a catalyst must be present for any effect N 2 ( g ) + 3 H 2 ( g ) 2 NH 3 ( g ) a b c [ d ] Energy Reaction Progress Z ZX YZZ
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CH 101 Exam 4 Sp07 key - C h e m i st ry 1 0 1 0 1 Spring...

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