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MID-TERM 2 2006

MID-TERM 2 2006 - Exam II 2006 A 5 points credit Print your...

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Exam II, 2006 A. 5 points credit . Print your name, perm number, and test version on your scantron answer key and on your exam booklet. Fill in the bubbles with your correct perm number and exam version on the scantron answer sheet. Multiple Choice Questions, 2.5 points each. Mark your answer on the scantron answer sheet. You need not show any work for these multiple choice questions. 1-2. Butane, C 4 H 10 (g) reacts with O 2 (g) to form CO 2 (g) and H 2 O (g). 1. The standard entropy change, S 0 for this reaction is a) negative b) positive c) zero 2. The standard enthalpy change, H 0 , is a) negative b) positive c) zero 3. Which of the following devices was used to supply electrical power for use by the crew during the Appollo space flights? a) Lithium batteries b) A fuel cell that used methane and oxygen c) Mercury batteries d) A fuel cell that used chlorine and hydrogen e) None of the above 4. The decomposition of HI is described by the following reaction 2 HI (g) H 2 (g) + I 2 (g) Which of the following expressions can be used to represent the rate of reaction?
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