Multiple Choice
Two isomers (A and B) of a given compound dimerize as follows: ![Two isomers (A and B) of a given compound dimerize as follows: Both processes are known to be second order in reactant, and k<sub>1</sub> is known to be 0.25 L/mol • s at 25° C, where Rate = k<sub>1</sub>[A]<sup>2</sup><sup> </sup>In a particular experiment, A and B were placed in separate containers at 25° C, where [A]<sub>0</sub> = 1.0 × 10<sup>-2</sup> M and [B]<sub>0</sub> = 2.5 × 10<sup>-2</sup> M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min. -Calculate the concentration of A<sub>2</sub> after 3.0 min. A) 3.1 × 10<sup>-3</sup> M B) 6.9 × 10<sup>-3</sup> M C) 1.6 × 10<sup>-3</sup> M D) 2.8 × 10<sup>-22</sup> M E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6422/11eaaf91_9ded_138a_892c_2350c25637bf_TB6422_11.jpg)
![Two isomers (A and B) of a given compound dimerize as follows: Both processes are known to be second order in reactant, and k<sub>1</sub> is known to be 0.25 L/mol • s at 25° C, where Rate = k<sub>1</sub>[A]<sup>2</sup><sup> </sup>In a particular experiment, A and B were placed in separate containers at 25° C, where [A]<sub>0</sub> = 1.0 × 10<sup>-2</sup> M and [B]<sub>0</sub> = 2.5 × 10<sup>-2</sup> M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min. -Calculate the concentration of A<sub>2</sub> after 3.0 min. A) 3.1 × 10<sup>-3</sup> M B) 6.9 × 10<sup>-3</sup> M C) 1.6 × 10<sup>-3</sup> M D) 2.8 × 10<sup>-22</sup> M E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6422/11eaaf91_9ded_138b_892c_395075742182_TB6422_11.jpg)
Both processes are known to be second order in reactant, and k1 is known to be 0.25 L/mol • s at 25° C, where
Rate = ![Two isomers (A and B) of a given compound dimerize as follows: Both processes are known to be second order in reactant, and k<sub>1</sub> is known to be 0.25 L/mol • s at 25° C, where Rate = k<sub>1</sub>[A]<sup>2</sup><sup> </sup>In a particular experiment, A and B were placed in separate containers at 25° C, where [A]<sub>0</sub> = 1.0 × 10<sup>-2</sup> M and [B]<sub>0</sub> = 2.5 × 10<sup>-2</sup> M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min. -Calculate the concentration of A<sub>2</sub> after 3.0 min. A) 3.1 × 10<sup>-3</sup> M B) 6.9 × 10<sup>-3</sup> M C) 1.6 × 10<sup>-3</sup> M D) 2.8 × 10<sup>-22</sup> M E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6422/11eaaf91_9ded_3a9c_892c_a36b96076f8f_TB6422_11.jpg)
k1[A]2
In a particular experiment, A and B were placed in separate containers at 25° C, where [A]0 = 1.0 × 10-2 M and [B]0 = 2.5 × 10-2 M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min.
-Calculate the concentration of A2 after 3.0 min.
A) 3.1 × 10-3 M
B) 6.9 × 10-3 M
C) 1.6 × 10-3 M
D) 2.8 × 10-22 M
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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