q2s07 - Version 001 Quiz 2 David Laude (53015) 1 This...

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Unformatted text preview: Version 001 Quiz 2 David Laude (53015) 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. V1:1, V2:1, V3:1, V4:1, V5:2. You will have 20 minutes for the quiz. Please make sure you write your version num- bers on your scantron. Good luck! Mlib 07 1133 21:02, general, multiple choice, > 1 min, fixed. 001 (part 1 of 1) 5 points What would be the expression for K c for the reaction 4NH 3 (g) + 5O 2 (g) * ) 4NO(g) + 6H 2 O(g) at equilibrium? 1. [NO] 4 [H 2 O] 6 2. [NH 3 ] 4 [O 2 ] 5 3. [NO] 4 [H 2 O] 6 [NH 3 ] 4 [O 2 ] 5 correct 4. [NH 3 ] 4 [O 2 ] 5 [NO] 4 [H 2 O] 6 5. [NO] 4 [H 2 O] [NH 3 ] 4 Explanation: Msci 17 0514 21:11, general, multiple choice, > 1 min, fixed. 002 (part 1 of 1) 5 points K c = 2 . 6 10 8 at 825 K for the reaction 2H 2 (g) + S 2 (g) * ) 2H 2 S(g) The equilibrium concentration of H 2 is 0.0020 M and that of S 2 is 0.0010 M. What is the equilibrium concentration of H 2 S? 1. 10 M 2. 1.02 M correct 3. 0.10 M 4. 0.0010 M Explanation: K c = 2 . 6 10 8 [H 2 ] eq = 0 . 0020 M [S 2 ] eq = 0 . 0010 M 2H 2 (g) + S 2 * ) 2H 2 S K c = [H 2...
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q2s07 - Version 001 Quiz 2 David Laude (53015) 1 This...

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