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18 Nov 2019
For the equilibrium PCl_5(g) PCl_3(g) + Cl_2(g) K_c = 4.0 at 228 degree C. If pure PCl_5 is placed in a 1.00-L container and allowed to come to equilibrium, and the equilibrium concentration of PCl_5 (g) is 0.26 M what is the equilibrium concentration of PCl_3? 0.13 M 0.37 M 0.26 M 1.0 M 0.017 M In an experiment 0.42 mol H_2 and 0.42 mol I_2 are mixed in a 1.00-L container, and the reaction forms HI. If K_c = 49. for this reaction, what is the equilibrium concentration of HI? I_2(g) + H_2H_2(g) 2HI(g) 0.81 M 0.74 M 0.65 M 0.105 M 0.056 M Consider the following equilibrium: PCl_3(g) + Cl_2(g) PCl_5(g); Delta H=-92 kJ The concentration of PCI_3 at equilibrium may be increased by decreasing the temperature. adding Cl_2 to the system. adding PCl_5 to the system. increasing the pressure. adding a catalyst. For which of the following systems at equilibrium and at constant temperature will decreasing the volume cause the equilibrium to shift to the right? NH_4C1(s) NH_3(g) + HCl(g) 2NO_2(g) 2NO(g) + O_2(g) H_2(g) + Cl_2(g) 2HCl(g) N_2(g) + 3H_2(g) 2NH_3(g) 2H_2O(g) 2H_2(g) + O_2(g) For a specific reaction, which of the following statements can be made about the equilibrium constant? It can be changed by the addition of a catalyst. It increases when the concentration of one of the products is increased. It increases when the concentration of one of the reactants is increased. It always remains the same. It changes with changes in the temperature.
For the equilibrium PCl_5(g) PCl_3(g) + Cl_2(g) K_c = 4.0 at 228 degree C. If pure PCl_5 is placed in a 1.00-L container and allowed to come to equilibrium, and the equilibrium concentration of PCl_5 (g) is 0.26 M what is the equilibrium concentration of PCl_3? 0.13 M 0.37 M 0.26 M 1.0 M 0.017 M In an experiment 0.42 mol H_2 and 0.42 mol I_2 are mixed in a 1.00-L container, and the reaction forms HI. If K_c = 49. for this reaction, what is the equilibrium concentration of HI? I_2(g) + H_2H_2(g) 2HI(g) 0.81 M 0.74 M 0.65 M 0.105 M 0.056 M Consider the following equilibrium: PCl_3(g) + Cl_2(g) PCl_5(g); Delta H=-92 kJ The concentration of PCI_3 at equilibrium may be increased by decreasing the temperature. adding Cl_2 to the system. adding PCl_5 to the system. increasing the pressure. adding a catalyst. For which of the following systems at equilibrium and at constant temperature will decreasing the volume cause the equilibrium to shift to the right? NH_4C1(s) NH_3(g) + HCl(g) 2NO_2(g) 2NO(g) + O_2(g) H_2(g) + Cl_2(g) 2HCl(g) N_2(g) + 3H_2(g) 2NH_3(g) 2H_2O(g) 2H_2(g) + O_2(g) For a specific reaction, which of the following statements can be made about the equilibrium constant? It can be changed by the addition of a catalyst. It increases when the concentration of one of the products is increased. It increases when the concentration of one of the reactants is increased. It always remains the same. It changes with changes in the temperature.
16 Apr 2022
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Irving HeathcoteLv2
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