Which of the following statements is TRUE? A) If K > Q, it means the forward rea

Question

Which of the following statements is TRUE? A) If K > Q, it means the forward reaction will proceed to form more products. B) If Q = K, it means the reaction has stopped. C) If Q > K, it means the reverse reaction will proceed to form more reactants. D) All of the above are true. E) None of the above are true. Identify the weakest acid. A) HCl B) HI C) HBr D) HF Which of the following is TRUE? A) A basic solution does not contain H_3 O^+ B) A buffer must have a pH = 7 C) An neutral solution does not contain any H_3 O^+ or OH^- D) An acidic solution has [H_3 O^+] > [OH^-] E) None of the above are true. Which of the following statements is FALSE? A) When K = 1, neither the forward or reverse reaction is strongly favored, and about the same amount of reactants and products exist at equilibrium. B) When K 1 implies that the reaction is very fast at producing products. D) When K >> 1, the forward reaction is favored and essentially goes to completion. E) None of the above. In which of the following reactions will K_c = K_p? A) 4 NH_3 (g) + 3 O_2 (g) rightwardsharpoonoverleftwardsharpoon 2 N_2 (g) + 6 H_2 O (g) B) 2 SO_2 (g) + O_2 (g) rightwardsharpoonoverleftwardsharpoon 2 SO_3 (g) C) 2 N_2 (g) + O_2 (g) rightwardsharpoonoverleftwardsharpoon 2 N_2 O (g) D) SO_3 (g) + NO (g) rightwardsharpoonoverleftwardsharpoon SO_2 (g) + NO_2 (g) E) None of the above reactions have K_c = K_p. Consider the following reaction at equilibrium. What effect will reducing the volume of the reaction mixture have on the system? Xe (g) + 2 F_2 (g) rightarrow XeF_4 (g) A) The reaction will shift to the left in the direction of reactants. B) The reaction will shift to the right in the direction of products. C) No effect will be observed. D) The equilibrium constant will decrease. E) The equilibrium constant will increase.

Explanation / Answer

Ans 6. (A) If K greater than Q, it means forward reaction will proceed to form more products.

Ans 7. (D) HF

Ans 8. (D) An acidic solution has H3O+ greater than OH-

Ans 9. (E) None of the above

Ans 10. (D) SO3 + NO = SO2 + NO2

Ans 11. (B) The reaction will shift to the right in the direction of products.

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