Question

Q(17) Which species is amphiprotic? A) H3PO4 C) PO43- D) None of these B) H2PO4 Q(18) Ni(CO)4(g)Nis)+ 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to C) remain unchanged E) it depends on the amount added B) Shift toward the reactants A) Shift toward the products D) increase the temperature Q(19) CO2 H2 CO + H20 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 temperature Q(20) Q = the reaction quotient K = the equilibrium constant. At equilibrium, which is true? A) K<Q E) K2-Q B) K-Q C) K>Q D) K=Q2 Q(21) If the value of the equilibrium constant is small, then at equilibrium mostly be present. A) Reactants will B) Water C) Products D) Precipitate E) Catalysts Q(22) Kp=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 10-1 D) 1.7 X 10 B) 1.7 X 10-2 C) 1.7 X 103 E)1.7 X 10-5 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 B) KeKp =RT/V C) Kp = Ke(RTan D) Kp = KeP/RT C) Kp = K/(RT)an

Answer 1

kindly post different questions separately. please rate

etth ex that can mphibrohc species is the chemical specres au ncid a well donate or aecept a proton (Ht) can act It Ts base HaPOu (o1 + Ht (a9) Ha POy (ag) B9se Hरे (०१] + HPo (n) + Acid Hence, Ha Poy is amphipnotic speeres