11) Consider the following potential energy profile for the A → B reaction. How many elementary steps are there? A. 1 B. 2 C. 3 D. 4 Mur n Potential Energy Reaction progress

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General Chemistry for Engineers

Lesson: Chemical Kinetics 

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Number 11 and 12

 

11) Consider the following potential energy profile for the A → B reaction. How many elementary
steps are there?
A. 1
B. 2
C. 3
D. 4
Mur
n
Potential Energy
Reaction progress
Transcribed Image Text:11) Consider the following potential energy profile for the A → B reaction. How many elementary steps are there? A. 1 B. 2 C. 3 D. 4 Mur n Potential Energy Reaction progress
12)
For the reaction
3A(g) + 2B(g) →→2C(g) + 2D(g)
the following data were collected at constant temperature. Determine the correct rate
law for this reaction.
Trial Initial [A] Initial [B]
(mol/L) (mol/L)
0.200
0.100
0.100
0.100
0.200
0.200
0.300
0.200
1
2
3
4
A. Rate= K[A][B]
B. Rate= K[A][B]²
C. Rate= K[A]³[B]²
D. Rate= K[A]²[B]
Initial Rate
(mol/L. min)
6.00 x 10-2
1.50 x 10-2
1.20 × 10-1
X
2.70 × 10-1
Transcribed Image Text:12) For the reaction 3A(g) + 2B(g) →→2C(g) + 2D(g) the following data were collected at constant temperature. Determine the correct rate law for this reaction. Trial Initial [A] Initial [B] (mol/L) (mol/L) 0.200 0.100 0.100 0.100 0.200 0.200 0.300 0.200 1 2 3 4 A. Rate= K[A][B] B. Rate= K[A][B]² C. Rate= K[A]³[B]² D. Rate= K[A]²[B] Initial Rate (mol/L. min) 6.00 x 10-2 1.50 x 10-2 1.20 × 10-1 X 2.70 × 10-1
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