Equilibrium constants

label Chemistry
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The equilibrium constant, Kc, for the reaction of H2 AND N2 is 1.7 x 10^2 at 225 degrees celcius. If the system at equilibrium contains 0.18 M H2 and 0.020 M N2, what is the concentration of NH3?

3H2(g) + N2(g) = 2NH3(g)

May 2nd, 2015

from the equation....3 moles of H2 reacted with 1 mole of nitrogen to produce 2 moles of ammonia

Kc=NH3/H2 x N2

1.7 x 10^2= (X)2/3(0.18)(0.020)


May 2nd, 2015

where doe the 2/3 come from and why is there a temperature in the equation if its not being used

May 2nd, 2015

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May 2nd, 2015
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