Question

5. The reaction below has a Kp value of 41 bar^-2. What is the value of Kc for this reaction at 400 K? N2(g) + 3H2(g) ⇌ 2NH3(g) A) 2.4 × 10^-2 M^-2 B) 1.9 × 10^4 M^-2 C) 41 M^-2 D) 2.3 × 10^-5 M^-2 E) 4.4 × 10^4 M^-2 6. Consider the following reaction and its equilibrium constant: 4CuO(s) + CH4(g) ⇌ CO2(g) + 4Cu(s) + 2H2O(g) Kc = 1.10 A reaction mixture contains 0.22 mol L^-1 CH4, 0.67 mol L^-1 CO2, and 1.3 mol L^-1 H2O. Which of the following statements is TRUE concerning this system? A) The reaction quotient is greater than K and therefore the reaction will shift in the direction of reactants. B) The reaction will shift in the direction of products. C) The system is at equilibrium. D) The equilibrium constant will increase. 7. Express the equilibrium constant for the following reaction: N2(g) + 3H2(g) ⇌ 2NH3(g) A) KP = (P(N2) × P^(1/3)(H2)/P^(1/2)(NH3)) B) KP = (P^6(NH3)/P^3(N2) × P^9(H2)) C) KP = (P^(1/2)(NH3)/P(N2) × P^(1/3)(H2)) D) KP = (P^2(NH3)/P(N2) × P^3(H2)) E) KP= (P(N2) × P^3(H2)/P^2(NH3)) 8. Express the equilibrium constant for the following reaction: N2(g) + 3H2(g) ⇌ 2NH3(g) A) KP = (P(N2) × P^(1/3)(H2)/P^(1/2)(NH3)) B) KP = (P^6(NH3)/P^3(N2) × P^9(H2)) C) KP = (P^(1/2)(NH3)/P(N2) × P^(1/3)(H2)) D) KP = (P^2(NH3)/P(N2) × P^3(H2)) E) KP= (P(N2) × P^3(H2)/P^2(NH3))

          5. The reaction below has a Kp value of 41 bar^-2. What is the value of Kc for this reaction at 400 K?
N2(g) + 3H2(g) ⇌ 2NH3(g) 
A) 2.4 × 10^-2 M^-2
B) 1.9 × 10^4 M^-2
C) 41 M^-2
D) 2.3 × 10^-5 M^-2
E) 4.4 × 10^4 M^-2

6. Consider the following reaction and its equilibrium constant:
4CuO(s) + CH4(g) ⇌ CO2(g) + 4Cu(s) + 2H2O(g) Kc = 1.10
A reaction mixture contains 0.22 mol L^-1 CH4, 0.67 mol L^-1 CO2, and 1.3 mol L^-1 H2O. Which of the following statements is TRUE concerning this system?
A) The reaction quotient is greater than K and therefore the reaction will shift in the direction of reactants.
B) The reaction will shift in the direction of products.
C) The system is at equilibrium.
D) The equilibrium constant will increase.

7. Express the equilibrium constant for the following reaction:
N2(g) + 3H2(g) ⇌ 2NH3(g)
A) KP = (P(N2) × P^(1/3)(H2)/P^(1/2)(NH3))
B) KP = (P^6(NH3)/P^3(N2) × P^9(H2))
C) KP = (P^(1/2)(NH3)/P(N2) × P^(1/3)(H2))
D) KP = (P^2(NH3)/P(N2) × P^3(H2))
E) KP= (P(N2) × P^3(H2)/P^2(NH3))

8. Express the equilibrium constant for the following reaction:
N2(g) + 3H2(g) ⇌ 2NH3(g)
A) KP = (P(N2) × P^(1/3)(H2)/P^(1/2)(NH3))
B) KP = (P^6(NH3)/P^3(N2) × P^9(H2))
C) KP = (P^(1/2)(NH3)/P(N2) × P^(1/3)(H2))
D) KP = (P^2(NH3)/P(N2) × P^3(H2))
E) KP= (P(N2) × P^3(H2)/P^2(NH3))

Added by Timothy J.

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