1422-Exam-2-2009

1422-Exam-2-2009 - CHEM 1422 Exam # 2 (March 26, 2009) Name...

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CHEM 1422 Exam # 2 (March 26, 2009) Name (printed): _________________________ Equilibrium & Acids/Bases 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) For which of the following reactions will increasing the overall pressure make more products ? Circle your answer and briefly discuss your reasoning in the space below. a) 3NO 2 ( g ) + H 2 O( l ) 2HNO 3 ( aq ) + NO( g ) b) 3H 2 S( g ) + 2Fe( s ) Fe 2 S 3 ( s ) + 3H 2 ( g ) c) MgO( s ) + C( s ) Mg( s ) + CO 2 ( g ) d) 2HCl( g ) Cl 2 ( g ) + H 2 ( g ) e) AgCl( s ) + 2NH 3 ( aq ) Ag(NH 3 ) 2 + ( aq ) + Cl ( aq ) 2. (5 pts) Consider the reaction: 2HRe(CO) 5 ( soln ) Re 2 (CO) 10 ( soln ) + H 2 ( g ) Initially, [Re 2 (CO) 10 ] = [H 2 ] = 1 M . What is the concentration of HRe(CO) 5 at equilibrium? K
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1422-Exam-2-2009 - CHEM 1422 Exam # 2 (March 26, 2009) Name...

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