Use the concept of reaction quotient and calculate for the Kc using the equilibrium concentrations and determine what will happen if all species have a concentration of 0.40 or 4.0 M for the reaction:
3 H2(g) + N2(g) ↔ 2 NH3(g)
Recall that the equilibrium constant is the ratio of the products and reactants. We use Kp when dealing with pressure and Kc when dealing with concentration:
Note that solid and liquid compounds are ignored in the equilibrium expression.
Consider the Haber process, 3 H2(g) + N2(g) ↔ 2 NH3(g). At a particular temperature, an equilibrium mixture contains 0.0030 M NH3(g), 0.10 M H2(g) and 0.090 M N2(g)? Which of the following statements best describes the reaction that will occur when
(I) all 3 substances have concentrations of 0.40 M
(II) all 3 substances have concentrations of 4.0 M
a. I will go to the left and II will go to the right
b. Both I and II will go to the left
c. II will go to the left and I will go to the right
d. Both I and II will go to the right
e. I will go to the left and II is already at equilibrium
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