A chemist wishes to determineAG for the reaction shown below:3NO(g) =- N,0(g) +NO,(g)One way to find an unknown A Gvalue is to add together other reactions with known AG values to give the desired reaction. Which one of thefollowing reactions must be reversed so that, when added together, AG° for the overall reaction of NO to form N20 and NO2 can be calculated?1st attemptSee Periodic TableWhich reaction(s) will need to be reversed when adding them together to calculate AGrxn for this following overall reaction?3NO(g) = N,0(g) +NO,(g)Choose one or more:O 2N,0(g) = 2NO(g) +N,(g) AG° = - 33.8 kJO 2NO(g) +0,(g) := 2NO, (g) AG° = - 69.7 kJO N2(g) +O,(g)= 2NO(g) AG° = 173.2 kJ

The standard Gibbs free energy change is the energy change that occurs during the course of reaction in going from reactants to products. For spontaneous reaction ∆G°rxn is negative and reaction is exothermic.In overall reaction reactant is NO(g) and products are N2O(g) and NO2(g). From the given reactions : Reactions 1 and 3 need to be reversed during addition because the reagent is NO , in reaction 1 reagent is N2O (g) and in reaction 3 reagents are N2 and O2 while the product in both reactions is NO. So in addition we need to reverse these reactions. So the answer is reaction 1 and reaction 3.

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Which reaction(s) will need to be reversed when adding them together to calculate AG°xn for this following overall reaction? 3NO(g) = N,0(g)+NO,(g) Choose one or more: O 2N,0(g) O 2NO(g) +0,(g) = O N;(g) +O,(g) : 2NO(g) +N,(g) AG° = - 33.8 kJ 2NO, (g) AG° = - 69.7 kJ 2 2NO(g) AG° = 173.2 kJ

Which reaction(s) will need to be reversed when adding them together to calculate AG°xn for this following overall reaction? 3NO(g) = N,0(g)+NO,(g) Choose one or more: O 2N,0(g) O 2NO(g) +0,(g) = O N;(g) +O,(g) : 2NO(g) +N,(g) AG° = - 33.8 kJ 2NO, (g) AG° = - 69.7 kJ 2 2NO(g) AG° = 173.2 kJ

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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