1422-Exam-1-2009

1422-Exam-1-2009 - CHEM 1422 Exam 1 Name(printed Thermo...

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CHEM 1422 Exam # 1 (Feb 19, 2009) Name (printed): _________________________ Thermo, Kinetics & 1 st part of Equilibrium Name (signed): _________________________ Put a big X this box if you want your graded exam put out in the public racks outside Prof. Stanley’s office after grading . If you don’t check it, Prof. Stanley will keep your exam and you will have to stop by to pick it up from him personally. 1. (5 pts) Qualitatively, for which of the following reactions will S rxn increase the most ? Circle the correct answer and provide clear justification/reasoning for your choice in the space to the left of the answers. a) Cu 2+ ( aq ) + Zn( s ) Cu( s ) + Zn 2+ ( aq ) b) AgCl( s ) + Br ( aq ) AgBr( s ) + Cl ( aq ) c) 3C 2 H 2 ( g ) C 6 H 6 ( l ) d) 2HgO( s ) 2Hg( l ) + O 2 ( g ) e) 2SO 2 ( g ) + O 2 ( g ) 2SO 3 ( g ) 2. (5 pts) Which of the following substances has the highest absolute Entropy? Circle the correct answer and provide clear justification/reasoning for your choice in the space to the right of the answers.
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