Rates of Reaction

 

 1) Use the experimental data to determine the rate constant for the following reaction.

3A + B C

 

Trial

[A]

[B]

Initial Rate

1
0.20
0.20
0.144
2
0.40
0.20
0.288
3
0.20
0.40
0.576

Rate = k[A][B]2

     (a) 18 L2/mol2·s

     (b) 0.06 L2/mol2·s

     (c) 3.6 L2/mol2·s

     (d) 18 L/mol·s

 

 2) Use the experimental data to determine the rate equation for the following reaction.

3A + B C

 

Trial

[A]

[B]

Initial Rate

1
0.20
0.20
0.145
2
0.20
0.60
0.435
3
0.60
0.20
1.305

 

     (a) Rate = k[A][B]

     (b) Rate = k[A]2[B]2

     (c) Rate = k[A]2[B]

     (d) Rate = k[A][B]2

     

 3) Use the experimental data to determine the rate equation for the following reaction.

3A + B C

 

Trial

[A]

[B]

Initial Rate

1
0.20
0.20
0.150
2
0.20
0.60
0.150
3
0.60
0.20
1.350

 

     (a) Rate = k[A][B]2

     (b) Rate = k[A]2[B]2

     (c) Rate = k[A]2[B]

     (d) Rate = k[A]2

 

  4) Use the experimental data to determine the rate constant for the following reaction.

3A + B C

 

Trial

[A]

[B]

Initial Rate

1
0.20
0.20
0.156
2
0.40
0.20
0.312
3
0.20
0.40
0.312

Rate = k[A][B]

     (a) 0.26 L/mol·s

     (b) 3.9 L/mol·s

     (c) 3.9 L2/mol2·s

     (d) 0.26 L2/mol2·s

 

 5) Use the experimental data to determine the rate equation for the following reaction.

3A + B C

 

Trial

[A]

[B]

Initial Rate

1
0.30
0.30
0.170
2
0.90
0.30
0.170
3
0.30
0.90
1.530

 

     (a) Rate = k[A][B]

     (b) Rate = k[A]2[B]

     (c) Rate = k[B]2

     (d) Rate = k[A][B]2

 

 6) Use the experimental data to determine the rate constant for the following reaction.

3A + B C

 

Trial

[A]

[B]

Initial Rate

1
0.30
0.30
0.170
2
0.90
0.30
0.170
3
0.30
0.90
1.530

Rate = k[B]2

     (a) 0.53 L/mol·s

     (b) 1.9 s-1

     (c) 1.9 L/mol·s

     (d) 0.53 s-1

 

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