00:01
Hi, so to solve for this, remember that equilibrium constant, keq, is given to the concentration of the products, raised to the power of their coefficients, over the concentration of the reactants, and also raised to the power of their coefficients.
00:28
And remember that we will only include compounds that are in aqueous or gaseous phase.
00:33
We exclude substances that are solids or liquids.
00:36
So we have here the balance equation and the involved compounds are all gases, so we have to include that in our expression.
00:44
We have here nh3 in the numerator, squared, over the reactant, we have two reactants, n2, and n2 has a coefficient of 1, so we don't need to write 1 in the exponent.
00:56
Then we have h2 raised to the power of 3.
00:59
Now let's plug in the concentrations at equilibrium...