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April 26, 2015

Homework Help: chemistry

Posted by James on Sunday, October 25, 2009 at 5:28pm.

The equilibrium constant (Kc) for the gas phase reaction 2 NH3 N2 + 3 H2 is 3.0 x 10-3 at some temperature. The reaction is started by placing a 0.040-mol sample of ammonia in an empty one-liter flask. When equilibrium is established how much N2 is present?

1. ) 0.019 mol
2. ) 0.013 mol
3. ) 0.010 mol
4. ) 0.016 mol

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