a. What is the equilibrium constant expression for the reaction: 3 Fe (s) + 4 H2O...
The reaction of iron and water vapor results in an equilibrium 3 Fe(s) + 4 H2O (g) ⇋ Fe3O4 (s) + 4 H2 (g) Kc = 5.0 at 800.°C. What is the concentration of water present (in M) at equilibrium if the reaction is initiated with 7.5 g of H2 and excess Fe3O4 in a 15.0 liter container?
(A) Does the equilibrium mixture contain products, reactants, both or none? (A1) 2O3(g) ⇌ 3O2(g) K = 5.9 x 1012 (A2) H2(g) + I2(g) ⇌ 2HI(g) K = 54 (C) Write the expression for Kc (C Part 1) PCl3(l) +Cl2(g) ⇌ PCl5(s) (a) Kc = [PCl5]/([PCl3] [Cl2]) (b) Kc = ([PCl3] [Cl2])/[PCl5] (c) Kc = 1/([PCl3] [Cl2]) (d) Kc = 1/[Cl2] (C Part 2) Fe3O4(s) + 4H2(g) ⇌ 3Fe(s) + 4H2O(g) (a) Kc = ([Fe]3[H2O]4)/( [Fe3O4] [H2]4) (b) Kc =...
Question 21 (4 points) What is the expression for the equilibrium constant for the following system? 2N@Cl(g) + 2NO(g) + Cl2(g) O Kc = [NO]2[C12]2/[NOCI]2 O Kc = [NO]2[C[2] / [NOCI]2 O Kc = [NO][Cl] /[NOCI] O Kc = [NO]?(C12]2/[NOCI]2 Kc = 2[NO][Cl2] / 2[NOCI] Question 20 (4 points) What is the correct equilibrium expression for the reaction? SiCl4(g) + O2(g) → SiO2(s) + 2Cl2(g) O Kc = [C12]2/[SIC14][02] Kc = 2[C12] / [SIC]4] [O2] Kc = [SiO2][Cl2] / [SiCl4]...
Number 2 is confusing a little bit. 1. (5 pts) Write the equilibrium constant K expression for the reaction below. C(s) + 2 H2 (9) = CH(9) Ke=[CH] [H₂] 2. (10 pts) In the reaction below, the reaction flask initially contained 0.50 M NO and 0.50 M Cl2. After the reaction reached equilibrium the concentration of NOCI was measured to be 0.25 M. What is the equilibrium constant Kc? Show all your work + 2 NOCI (9) 2 NOC49) 2...
13. What is the Ke equilibrium-constant expression for the following equilibrium? FeO($) + H2(g) = Fe(s) + H2O(g) A) [H20] (H2] B) [Fe][H20] [H2 C) [Fe][H20] [FO][H2] D) (H2] [H20] E) [FeO][H2] [Fe][H20]
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 3 Fe(s) + CO2(g) = Fe3O4(s) + CO(g) 1/[CO] [Fe304][CO] [FO]*[CO2] O [Coy [CO2] [Feo][CO2] [Fe3O4][CO] O [CO2]/[CO]
In the following reaction, 3 Fe (s) + 4 H2O (g) → 4 H2 (g) + Fe3O4 (s), which of the following is the reducing agent?
Q(1) During a chemical reaction, what defines when the concentrations of the reactants and products reach a constant level? A) Elementary process B) Rate constant C) Reversible reaction D) Equilibrium E) Rate law Q(2) Which is the correct equilibrium constant expression for the following reaction? FeO(s) + H2(g) - Fe(s) + H2O(g) A) Ke = [H2O] / [H2] B) Ke=[Fe][H2O] / [Fe2O3] [H2] C) Ke=[Fe) (H20] / [Fe2O3] D) Kc = [Hz] / [H2O] E) Ke= [Fe2O3] [H2] / [Fe][H2O]...
What is the effect of adding carbon monoxide (at constant volume and temperature) to an equilibrium mixture of this reaction? CO(g) + Cl2(9) COCl2(g) The reaction slows down. The reaction shifts toward the products. The reaction does not shift in either direction. O The reaction shifts toward the reactants. The equilibrium constant for this reaction is Keq 1.0 x 103. The reaction mixture at equilibrium contains [A] = 1.0 x 10-4 M. What is the concentration of B in the...
The equilibrium constant, Kc, for the reaction 2 NOCl (g) ⇄ 2 NO (g) + Cl2 (g) is 2.4 x 10-7. What is the equilibrium constant for the reaction Cl2 (g) + 2 NO (g) ⇄ 2 NOCl