Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section18.4: Entropy Measurement And Values
Problem 3RC: Calculate rS for the following reaction at 25 C. 2 H2(g) + O2(g) 2 H2O() (a) 326.6 J/K mol-rxn...
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Question
Draw the energy diagram of this mechanism and label it ( label the values of energy )
![Section 2: (20 points) : Consider the following exothermic reaction at 25.0 °C:
(CH3)3CBr (aq) + H2O (1) → (CH3);COH (aq) + Br" (aq) + H* (aq)
The following mechanism was obtained for this reaction:
Step 1: (CH3)3CBr → (CH3);C" (aq) + Br" (aq)
Ea = 89.6 kJ/mol
Step 2: (CH3);C* (aq) + H½O (1) → (CH3);COH,* (aq)
Ea = 60.3 kJ/mol
Step 3: (CH3)3COH2* (aq) → H" (aq)+(CH3);COH (aq)
Ea = 45.0 kJ/mol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4d4f45f0-6f0b-4cb6-9f2e-05d769dd18ce%2Fe993b6e9-87c8-4f6c-ae05-abcb2b27eb55%2F11pz368_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Section 2: (20 points) : Consider the following exothermic reaction at 25.0 °C:
(CH3)3CBr (aq) + H2O (1) → (CH3);COH (aq) + Br" (aq) + H* (aq)
The following mechanism was obtained for this reaction:
Step 1: (CH3)3CBr → (CH3);C" (aq) + Br" (aq)
Ea = 89.6 kJ/mol
Step 2: (CH3);C* (aq) + H½O (1) → (CH3);COH,* (aq)
Ea = 60.3 kJ/mol
Step 3: (CH3)3COH2* (aq) → H" (aq)+(CH3);COH (aq)
Ea = 45.0 kJ/mol
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