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(b) Write the rate law for the reaction 2A + B C if the reaction (1) is second order in B and overall third order, (2) is zero. order in A and first order in B, (3) is zero order in both A and B, and (4) in first order in A and overall

(b) Write the rate law for the reaction 2A + B C if the reaction (1) is second order in B and overall third order, (2) is zero. order in A and first order in B, (3) is zero order in both A and B, and (4) in first order in A and overall

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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### Transcription of Reaction Rate Law Problem **Problem (b):** Write the rate law for the reaction: \[ 2A + B \rightarrow C \] Based on the following scenarios: 1. The reaction is second order in B and overall third order. 2. The reaction is zero order in A and first order in B. 3. The reaction is zero order in both A and B. 4. The reaction is first order in A and overall zero order. ### Explanation of Scenarios: - **Scenario (1):** - **Order in B:** 2nd - **Overall Order:** 3rd - **Implication:** The order of A must be 1, since it is overall 3rd order (1 for A + 2 for B = 3). - **Scenario (2):** - **Order in A:** 0 - **Order in B:** 1st - **Overall Order:** 1st (0 for A + 1 for B = 1) - **Scenario (3):** - **Order in A:** 0 - **Order in B:** 0 - **Overall Order:** 0 (0 for A + 0 for B = 0) - **Scenario (4):** - **Order in A:** 1st - **Overall Order:** 0 - **Implication:** There must be some factor negating the effect of A's contribution to the rate, possibly implying other factors not dependent on A or B. Feel free to link back to this page for further clarification or practice problems!
Transcribed Image Text:### Transcription of Reaction Rate Law Problem **Problem (b):** Write the rate law for the reaction: \[ 2A + B \rightarrow C \] Based on the following scenarios: 1. The reaction is second order in B and overall third order. 2. The reaction is zero order in A and first order in B. 3. The reaction is zero order in both A and B. 4. The reaction is first order in A and overall zero order. ### Explanation of Scenarios: - **Scenario (1):** - **Order in B:** 2nd - **Overall Order:** 3rd - **Implication:** The order of A must be 1, since it is overall 3rd order (1 for A + 2 for B = 3). - **Scenario (2):** - **Order in A:** 0 - **Order in B:** 1st - **Overall Order:** 1st (0 for A + 1 for B = 1) - **Scenario (3):** - **Order in A:** 0 - **Order in B:** 0 - **Overall Order:** 0 (0 for A + 0 for B = 0) - **Scenario (4):** - **Order in A:** 1st - **Overall Order:** 0 - **Implication:** There must be some factor negating the effect of A's contribution to the rate, possibly implying other factors not dependent on A or B. Feel free to link back to this page for further clarification or practice problems!
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