an observed rate las is: rale-kNo1cL1, doubling the concentration of NO and halving the concentration of Cl will have what effect on the reaction rate? ,5 49. The half-life or%Te aradi isotope commonly used in (A) increase the rate by a factor of eight (B) leave the rate unchanged (C) double the rate nuclear medicine, is abot 6 hours. How much of . 5.0 ug sample remains afher 2 days? (A) 002g ()06 (C og (D) 3W Which compound has the highest molar solubility in a 50. (D) halve the rate neutral solution? 46. The rate of consumption of CHe is 045 Ms' Whatis production of H0 . (B) BaCO, K-26 10 (C) Fe(OHh. K-2.810 the rate of (A) 0.15 Ms (C) 1.35 M-s Which energy diagram best matches an exothermic (B) 0.45 M-s (D) 2.70 Ms 51. Which will change the value of Kg for silver sride, AgN,? (A) Adding water to the solution (B) Adding silver ions to the solution. (C) Removing azide ions from the solution (D) 47. reaction with this mechanism? E+S ES (Fast) ES E+P Slow) Increasing the temperature of the solution 52. If solid NayPOs is added to a saturated aqueous solution of CalPO h what will happen to the concentration of in solution? (A) It will decrease. (B) It will increase (C) It will be unchanged (D) It will become equal to the PO," concentration Reaction Progress â 53. A solution contains 0.002 M Pb and 0,002 M Ag'. What happens when NaCl(s) is added to bring PoC 1.2-10 LAC1-1.8x10" the chloride ion concentration to 0.01 M? (A) Neither PbCl, nor AgCl precipitate B) Both PbCl, and AgCl precipitate. (C) PbCl, selectively precipitates. (D) AgCI selectively precipitates. Reaction Progress â Reaction Progress â 48. The graph shows E the change in concentration with time for two chemical species. Which balanced equation and value of the For Agl, the Ko value is 8.5x101" and for [Ag(C (A) Agl is completely insoluble in a solution th (B) Agl is less soluble in water than in a solu (C) Agl is more soluble in water than in a (D) Agl is equally soluble in water and i x) 54. Kr value is 1.0x10h. Which statement is true? 0 2468 0 time (min) contains CN equilibrium constant is consistent with the data? Equation Equilibrium Constant K,= 16 (B) X-2Y contains CN t on the internet