Answer to Question #155411 in General Chemistry for C

Question

 In a container, carbon monoxide and water vapour are producing carbon dioxide and hydrogen 

     at 900oC. 

CO(g) + H2O(g) <--->H2(g) + CO2(g) Keq = 4.00 at 900oC

If the concentrations at one point in the reaction are: [CO(g)] = 4.00 mol/L, [H2O(g)] = 2.00 mol/L, [CO2(g)] = 4.00 mol/L, and [H2(g)] = 2.00 mol/L. Determine whether the reaction has reached equilibrium, and, if not, in which direction it will proceed to establish equilibrium?

Answer 1

Equilibrium is a state in which there is no net change in the concentrations of reactants and products.

The total concentration of the reactants = 6.00 mol/L; and

The total concentration of the products = 6.00 mol/L

Therefore, the reaction has reached equilibrium.