1 A) <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0023654666/17481/ch13quizaq1a.gif','popWin', 'width=130,height=99,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>]]> B) <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0023654666/17481/ch13quizaq1b.gif','popWin', 'width=133,height=100,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>]]> C) <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0023654666/17481/ch13quizaq1c.gif','popWin', 'width=149,height=98,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>]]> D) <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0023654666/17481/ch13quizaq1d.gif','popWin', 'width=147,height=100,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>]]> 2 o C, is 46% complete after 68 min. What is the rate constant of this reaction?A) 9.1 x 10-3 min-1 B) 1.14 x 10-2 min-1 C) 31 min-1 D) -1.14 x 10-2 min-1 E) 51 min-1 3 A) 18.5 min-1 B) 38.5 min-1 C) 9.250 min-1 D) 19.3 min-1 E) 0.0260 min-1 4 -3 M-1 s-1 . If the initial reactant concentration is 0.200 M, how long will it take for the concentration to become 0.0250 M?A) 4.0 x 104 s B) 3.5 x 104 min C) 3.5 x 104 s D) 8000 s E) 3.5 x 10-2 s 5 -3 Lmol-1 s-1 if the initial reactant concentration is 0.200 M.A) 200 s B) 5.0 x 103 s C) 0.005 s D) 2 x 10-4 s E) None of the above 6 5 ----> PCl3 + Cl2 is increased by a factor of four when the PCl5 concentration doubles, the rate law for this reaction must be:A) dependent on the PCl3 and Cl2 concentrations B) first order with respect to PCl5 C) second order with respect to PCl5 D) fourth order with respect to PCl5 7 -3 s-1 at 25o C, and an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75o C?A) 3.0 x 10-4 B) 4.6 x 10-2 C) 3.7 x 10-3 D) 4.8 x 10-3 8 A) increasing the enthalpy of the reaction B) lowering the activation energy of the reaction C) increasing the activation energy of the reaction D) decreasing the enthalpy of the reaction 9 2 (g) + I2 (g) ----> 2 HI(g) is exothermic and has the following rate law at 298K: rate = k [H2 ][I2 ]. Addition of a catalyst would:A) increase the rate of the forward reaction B) increase the rate of both the forward and reverse reactions C) increase the rate of the reverse reaction D) cause no increase or decrease in the rate of the reaction E) None of the above 10 3 Cl + OH- ----> CH3 OH + Cl- , which is first order with respect to each of the reactants?A) A one-step mechanism involving a transition state that contains two hydroxide ions "attached" to the carbon atom of CH3 Cl B) A one-step mechanism involving a transition state that has a carbon partially bonded to both chlorine and oxygen C) A two-step mechanism in which the chlorine leaves CH3 Cl in a slow step, followed by rapid attack of the intermediate by the hydroxide ion D) A two-step mechanism in which the chlorine leaves CH3 Cl in a rapid step, followed by the slow attack of the intermediate by the hydroxide ion 11 A) mol/L·s B) s-1 C) Lmol-1 s-1 D) None of the above 12 A) True B) False 13 0 = 0.050 M and after 120s the concentration of B increases to 0.015 M.A) 2.7x10-3 s-1, B) 6x10-3 s-1 C) 7.6x10-3 s-1 D) 8.2x10-3 s-1 14 A) Sets up a series elementary step. B) The catalyst is partially consumed during the reaction. C) Catalysts are not part of the product. D) Heterogeneous catalysts are in a different phase than the reactants. 15 A) highly specific B) DNA bases C) decrease the rate of biological reactions D) None of the above
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