Question

A) No change in the equilibrium C) More information is needed to answer the question. B) Equilibrium shifts to the right. D) Equilibrium shifts to the left E) None of the answers is correct. Q(17) Which species is amphiprotic? A) H3PO B) H2PO D) None of these C) PO Q(18) Ni(CO)4)Nie)+ 4 COlaAdding nickel (solid) to this reaction will cause the equilibrium to A) Shift toward the products C) remain unchanged E) it depends on the amount added B) Shift toward the reactants D) increase the temperature Q(19) CO2+ H2CO+ H2O Adding a catalyst to this reaction will cause the [CO] at equilibrium to A) Shift toward the products C) remain unchanged E) it depends on the amount added B) Shift toward the reactants D) increase the temperatu re Q(20) Q = the reaction quotient K = the equilibrium constant. At equilibrium, which is true? A) K<Q E) K2-Q D) K-Q2 C) K>Q B) K-Q Q(21) If the value of the equilibrium constant is small, then at equilibrium mostly be present A) Reactants will E) Catalysts D) Precipitate C) Products B) Water Q(22) K=Ke when? A) The reaction is at equilibrium C) The reaction is endothermic E) the number of moles of gas on both sides of the balanced equation is the same. B) The reaction is exothermic D) all of the gasses present are at the same temperature Q(23) HAH* +A- at the equilibrium [HA] = 1.65* 10-2 M and [H'] [A]= 5.44"10 M at equilibrium. Kc A) 1.7 X 101 D) 1.7 X 10 C) 1.7 X 103 B) 1.7 X 102 E) 1.7 X 105 Q(24) Select the statement that best describes a system at equilibrium. A) The reaction is complete because all reactants have become products. B) The reaction has stopped because all of the catalyst has been used. C) As soon as product molecules form, other molecules of product become reactants. D) The reaction stops when the amounts of reactants and products reach equilibrium amounts. E) None of the above Q(25) Which of the following is the expression that relates Ke to Kp? A) Ke=KpR/T C) Kp Ke(RTMn B) KeKp=RTV D) Kp= KeP/RT C) Kp=K/(RT)sn Q(26) Which graph best represents the titration of Ammonia with Hydroch loric Acid?

Answer 1

1088 and gain nt bond 07.) (B) Amphotonic 14 pogu 11 po stnt 11 pod Ht, upog 2 reaction Fan product slidt (18.) (B) Addition of Addition r o towards reactent. does not shirt Eqm. Catalyst No change. 13) (C.) 20.) (B) =o) at Eqm.