7. For the reaction \( 2H_2(g) + O_2(g) \rightleftharpoons 2H_2O(g) \), what is the relationship between \( K \) and \( K_p \) at temperature \( T \)? (A) \( K = K_p \) (B) \( K = K_p(RT) \) (C) \( K_p = K(RT) \) (D) \( K = K_p(RT)^2 \) (E) \( K_p = K(RT)^2 \)

6. Which of the following statements concerning equilibrium is *not* true? (A) A system that is disturbed from an equilibrium condition responds in such a way as to restore equilibrium. (B) A system moves spontaneously toward a state of equilibrium. (C) Equilibrium in molecular systems is dynamic, with two opposing processes balancing one another. (D) The value of the equilibrium constant for a given reaction mixture is the same regardless of the direction from which equilibrium is attained. (E) The equilibrium constant is independent of temperature.

7. For the reaction \( 2H_2(g) + O_2(g) \rightleftharpoons 2H_2O(g) \), what is the relationship between \( K \) and \( K_p \) at temperature \( T \)?

(A) \( K = K_p \)

(B) \( K = K_p(RT) \)

(C) \( K_p = K(RT) \)

(D) \( K = K_p(RT)^2 \)

(E) \( K_p = K(RT)^2 \)

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