16. Chemical Equilibrium

What is the equilibrium constant expression (K) for the reaction: 2 H_2(g) + O_2(g) ightleftharpoons 2 H_2O(g)?

For the reaction N_2(g) + 3H_2(g) ightarrow 2NH_3(g), the equilibrium concentrations at 500 K are [N_2] = 0.20 M, [H_2] = 0.60 M, and [NH_3] = 1.2 M. What is the value of the equilibrium constant K_c for this reaction in correct scientific notation?

Given the reaction N_2(g) + 3H_2(g) ightarrow 2NH_3(g), and the following equilibrium concentrations obtained from a graph: [N_2] = 0.20 M, [H_2] = 0.60 M, [NH_3] = 1.20 M, estimate the value of the equilibrium constant K_c for this reaction.

Given the reaction: N_2(g) + 3H_2(g) ightleftharpoons 2NH_3(g), the equilibrium constant K for this reaction is:

Given the reaction: FeCl_3(aq) + 3NH_4SCN(aq) ⇌ Fe(SCN)_3(aq) + 3NH_4Cl(aq), which of the following is the correct equilibrium constant expression (K) for this reaction?

Which values of the equilibrium constant K indicate that there is more product B than reactant A at equilibrium for the reaction A ⇌ B?

What is the equilibrium constant expression (K) for the reaction: CO2(g) + H2(g) ⇌ CO(g) + H2O(l)?

For the following aqueous reaction at 298 K: N2(g) + 3 H2(g) ⇌ 2 NH3(g), what is the value of the equilibrium constant K if the equilibrium concentrations are [N2] = 0.20 M, [H2] = 0.30 M, and [NH3] = 0.40 M?

What does a very small equilibrium constant (K << 1) indicate about a chemical reaction at equilibrium?

Which of the following reactions will have the largest equilibrium constant (K) at 298 K?

Which concentrations are included in the equilibrium constant (K) expression for a chemical reaction?

What is the value of the equilibrium constant (K_w) for the autoionization of pure water at 25°C?

Consider the following equilibrium, for which Kp = 7.54×10⁻² at 490 °C: 2Cl2(g) + 2H2O(g) ⇌ 4HCl(g) + O2(g). What is the value of Kc for the following reaction? Cl2(g) + H2O(g) ⇌ 2HCl(g) + 0.5O2(g)

Given that the equilibrium constant K_p for the reaction A(g) ⇌ 2 B(g) is 0.0450, what is the value of K_p for the reaction 2 A(g) ⇌ 4 B(g)?

Which of the following is the correct expression for K_p for the reaction: N_2(g) + 3 H_2(g) ⇌ 2 NH_3(g)?