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Equilibrium constant?

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Scholar
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Date Posted: 4/25/2008 10:42:08 PM  Status: Live
Equilibrium constant?
Course Textbook Chapter Problem
General Chemistry Chemistry (9th) by Chang N/A N/A
Question Details:
On analysis, an equilibrium mixture for the reaction

2H2S(g) 2H2(g) + S2(g)

was found to contain 1.0 mol H2S, 4.0 mol H2, and 0.80 mol S2 in a 4.0 L vessel. Calculate the equilibrium constant for this reaction.
  1. 1.6
  2. 3.2
  3. 12.8
  4. 0.64
  5. 0.8
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Answers:

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Oracle
Karma Points: 10,238
Date Posted: 4/25/2008 11:13:12 PM  Status: Live
Asker's Rating: Lifesaver   
Response:
2H2S(g) 2H2(g) + S2(g)

K = [H2(g)]2 [S2(g)] /[H2S(g)]
K = (4.0/4.0)2 (0.8/4.0) / (1.0/4.0) = 0.80 answer e
Bertalsteinein's Comment:
Excellent. I got the same! Thank You!
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