The equilibrium partial pressures of BRB, CA, and Burl will be the same as the initial value 10) The reaction below is exothermic: SASS (g) + 02 (g) SASS (g) Lee Chatterer’s Principle predicts that will result in an increase in the number of moles of a ASS (g) in the reaction container. A) increasing the pressure B) increasing the volume of the container C) removing some oxygen D) decreasing the pressure E) increasing the temperature 1) In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products?
A) ANN. (g) + 02 NEON (g) C) NO (g) + 02 NO (g) D) NEON (g) NEON (g) 12) Consider the following reaction at equilibrium: NH UH(g) OHO вЂў+92. 4 k Lee Chatterer’s principle predicts that adding NO (g) to the system at equilibrium will result in a A) a decrease in the concentration of H2O (g) B) a lower partial pressure of NO C) a decrease in the concentration of NH (g) D) removal of all of the H2O (g) E) an increase in the value of the equilibrium constant 3) Which one of the following is a BRBГёnested -Lowry acid?
A) (CHI)NH+ B) COUCH D) HON. E) all of the above 14) Which one of the following statements regarding K is false? A) POKE is 14. 00 at ICC B) The value of K is always 1. 0 x 10-14. C) K changes with temperature. D) The value of K shows that water is a weak acid. E) K is known as the ion product of water. 15) Which of the following solutions has the largest HUH+ concentration A)O. I M HCI B) 0. 1 M HCI C) 0. 1 M YACHTS D) 0. 1 M HUFF 16) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant KGB for A-? A) HA (as) + H2O (l) H2O+ (as) + OH- (as)
B) A- (as) + HUH+ (as) HA (as) + H2O (l) C) HA (as) + OH- (as) H2O (l) + H+ (as) D) (as) + H2O (l) HA (as) + OH- (as) E) A- (as) + OH- (as) WHOA- (as) 17) Of the compounds below, a 0. 1 M aqueous solution of will have the B) NANNY, KGB of NH= 1. 8 x 10-5 C) Monaco, Aka of = 1. 8 x 10-5 D) Niacin, Aka of HCI = 3. 2 x 10-8 E) Nash, KGB of HAS- = 1. 8 x 10-7 18) The pH of a 0. 55 M aqueous solution of hypertrophy acid, Hobo, at 25. 0 C is 4. 48. What is the value of Aka for Hobo? A) 2. 0 x 10-9 B) 1. 1 x 10-9 C) 6. 0 x 10-5 D) 3. 3 x 10-5 E) 3. 0 x 104 19) Identify the Breasted Lowry conjugate base
NH+ + OH- NH + H2O A) NH B) H2O 20) The Aka of hydraulic acid (HON.) is 1. 9 x 10-5 at 25. 0 C. What is the pH off 0. 40 M aqueous solution of HON.? A) 0. 40 8)2. 16 C) 5. 23 D) 2. 56 E) -3. 46 Calculate the POOH of a solution at 25. 0 co that contains 1. 94 solo-10 M hydroxide ions. A) 4. 3 B) 9. 7 C) 12. 3 D) 2. 2 E) 5. 4 22) Calculate the percent unionization of solution of acetic acid having the concentration of 1. 30 M. Aka=l . 8 e-5 A)O. 37 B) 2. 3 C) 37 D) 23 E) 5. 7 23) Find the PH of 0. 185 M WHICH (aka= 1. 8 x 10-. –4-. ) and . 225 M HACHURE (aka 3. 5 B) 2. 2 = 1. XX J) 5. 5 ) 6. 8