Multiple ChoiceWhat is the equilibrium constant expression (K) for the reaction: CO2(g) + C(s) ⇌ 2 CO(g)?76views
Multiple ChoiceFor the reaction N_2(g) + 3H_2(g) ightleftharpoons 2NH_3(g), the equilibrium concentrations at a certain temperature are [N_2] = 0.50 M, [H_2] = 1.50 M, and [NH_3] = 2.00 M. What is the value of the equilibrium constant K_c for this reaction?38views
Multiple ChoiceWhat is the equilibrium constant expression (K) for the reaction: 2 H_2(g) + O_2(g) ightleftharpoons 2 H_2O(g)?74views
Multiple ChoiceFor 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?45views
Multiple ChoiceGiven 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.32views
Multiple ChoiceGiven the reaction: N_2(g) + 3H_2(g) ightleftharpoons 2NH_3(g), the equilibrium constant K for this reaction is:58views
Multiple ChoiceGiven 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?33views
Multiple ChoiceWhich values of the equilibrium constant K indicate that there is more product B than reactant A at equilibrium for the reaction A ⇌ B?41views
Multiple ChoiceWhat is the equilibrium constant expression (K) for the reaction: CO2(g) + H2(g) ⇌ CO(g) + H2O(l)?57views
Multiple ChoiceFor 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?43views
Multiple ChoiceWhat does a very small equilibrium constant (K << 1) indicate about a chemical reaction at equilibrium?72views
Multiple ChoiceWhich of the following reactions will have the largest equilibrium constant (K) at 298 K?49views
Multiple ChoiceWhich concentrations are included in the equilibrium constant (K) expression for a chemical reaction?46views
Multiple ChoiceWhat is the value of the equilibrium constant (K_w) for the autoionization of pure water at 25°C?11views
Multiple ChoiceConsider 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)175views