1. At 200°C, the Keq for the reaction: N2(g) + 3H2(g)
and the [NH3] = 0.20 M, at equilibrium, calculate the equilibrium [N2].
2NH3(g) is 625. If the [H2] = 0.450 M,
General formula: aA+bB--------cC+dD
Keq = [Cc D d
AaB b
N2+3H2-------2NH3
aA= N2 bB = 3H2
----
(small letters- coefficient; big letters- elements or
compounds
CC= 2NH3 (coefficient becomes exponent)