Chapter 11 quiz solutions

# Calculate the rate constant for the reaction c

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calculate the rate constant for the reaction. C) rate:0.1911Co1 x [Nor] b. rate:0.191[CO]2 x [NO2] c. rate:0.191[CO] x [NOr]' d. rate: 5.24[CO] x [NOz] e. rate:5.241CO12 x [NO, 4. The initial rates method was used to study the reaction below' A+38 -->2C fAl (mol/L) [B] (mol/L) rate mol/L.s 10* 10-2 10 -2

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Detennine the rate expression and calculate the rate constant for the reaction. a. rate:0.515[A] x [B] b. rate : 0.515[A]2 x [B] c. rate:0.'721[A]'? x [B] (4} rar.': 0.72t [A] x [B]2 ;. rate - 0.127lAl2 x [B]2 5. For the second-order decomposition reaction, 2A-+B which of the following relationships yields a straight line plot? rate: klAlz a. ln [A] versus k b. ln [A]2 versus / c. ln [A] versus / dt 1/[A] versus I e. 1/[A] versus k 6. Which of the following expressions corresponds to the integrated rate equation for a first-order decomposition reaction? a. lA):-kt b. fAl : [A]o -ftl G, t, [A] : tn l.\)a-kt d' I ,.. ;--- = -r"[ LA.] e. 11r-+ [}.]:ffi-""', 7. The rate constant of a first-order decomposition reaction is 0.0147 s '. If the initial concentration of reactant is 0.178 M.whatis the concentration of reactant after 30.0 seconds? a. 812 x rcs M b. 0.064s M G o.tt5 M d. 0.0785 M e. 0.643 M B. The reaction A + B follows first-order kinetics with a half-life of 21.'l hours.
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