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Step No. 1 2 3 Elementary step A + B₂ → AB2 AB2+ C2 ABC + BC ABC + B₂ AB2 + BC a) What is the overall equation for this reaction? b) What is the heat of reaction for the overall equation? c) Which is the rate determining step? Activation energy 4 kJ/mol 30 kJ/mol 10 kJ/mol Enthalpy of reaction -10 kJ/mol +5.2 kJ/mol -7.8 kJ/mol

Step No. 1 2 3 Elementary step A + B₂ → AB2 AB2+ C2 ABC + BC ABC + B₂ AB2 + BC a) What is the overall equation for this reaction? b) What is the heat of reaction for the overall equation? c) Which is the rate determining step? Activation energy 4 kJ/mol 30 kJ/mol 10 kJ/mol Enthalpy of reaction -10 kJ/mol +5.2 kJ/mol -7.8 kJ/mol

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Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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21. A reaction proceeds by a series of elementary steps as shown below. The activation energy and heat of reaction are shown for each step. Step No. 1 2 3 Elementary step A + B₂ →➜ AB2 AB2+ C2 ABC + BC ABC + B2 → AB2 + BC a) What is the overall equation for this reaction? b) What is the heat of reaction for the overall equation? c) Which is the rate determining step? Activation energy 4 kJ/mol 30 kJ/mol 10 kJ/mol Enthalpy of reaction -10 kJ/mol +5.2 kJ/mol -7.8 kJ/mol d) Draw an energy profile for the overall reaction showing the enthalpies of each step, the overall enthalpy as well as the activation energies of each step.
Transcribed Image Text:21. A reaction proceeds by a series of elementary steps as shown below. The activation energy and heat of reaction are shown for each step. Step No. 1 2 3 Elementary step A + B₂ →➜ AB2 AB2+ C2 ABC + BC ABC + B2 → AB2 + BC a) What is the overall equation for this reaction? b) What is the heat of reaction for the overall equation? c) Which is the rate determining step? Activation energy 4 kJ/mol 30 kJ/mol 10 kJ/mol Enthalpy of reaction -10 kJ/mol +5.2 kJ/mol -7.8 kJ/mol d) Draw an energy profile for the overall reaction showing the enthalpies of each step, the overall enthalpy as well as the activation energies of each step.
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