Answer Happy

1. K. is which of the following? A. the equilibrium constant for water which is 1.0 x 10"at all temperatures. B. K x K for conjugate acid-base partners at 25C C. the log[H.O) at 25°C D. all of the above E. none of the above 2. Which of the following completely ionizes when mixed with water? A. CHÚCOOH D. HNO B. HF E. HBO C. H.SO. 3. Consider this equilibrium: 4 HCI, + 0,22 2 H0, +20.. The equilibrium law expression for the balanced chemical equation would be: A. (HCI)[O..] / [H0][Cl] D. (HCI)[02] / [HO.Ja B. (H,0.-(C1.J/[HCI)"[0,0] E. [H.0.1CJ[HC.10.] C. 2[HO][Ca] 4[HCIJO..] 4. Which of the following statements is true? A. According to the Arrhenius definition, an acid is a proton acceptor. B. According to the Arrhenius definition, an acid always contains OH. C. According to the Bronsted-Lowry definition, an acid is a proton donor. D. According to the Bronsted-Lowry definition, water always behaves as a base. 5. Which of the following is the strongest acid? A. HO B. HF с НІ D. HMO 6. When Q < Ksp. A. a precipitate will form B. a precipitate will not form C. a precipitate will form if the temperature is increased D. the solution is saturated E. a precipitate is just about to form 7. If a pH meter was placed in a 0.4 mol/L solution of nitric acid the reading would be which of the following? A. 1.4 B. 14.15 C. 0.40 D. -0.40 E. 0.0