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N2 present at equilibrium

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Question 14
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?

a.) 0.010 mol
b.) 0.013 mol
c.) 0.016 mol
d.) 0.019 mol

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Solution Summary

It calculates the amount of nitrogen present at the equilibrium from the decomposition of NH3. The solution is detailed and well presented.

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