Photochemical smog is formed through a sequence of reactions, the4.fırst of which is N2(g) + O2(g)→2NO(g). A H° for this reaction is180.6 kJ/mol. Determine the minimum temperature at which thisreaction becomes spontaneous. Assume that A H° and A Sº do notvary with temperature.SubstanceS° (J/mol*K)N2(g)191.5O2{g)205.0NO(g)210.6NO2(g)240.5O(g)161.0This reaction will not be spontaneous at any temperature.7039 oC7585 oCThis reaction is spontaneous at all temperatures.7312 oC

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Photochemical smog is formed through a sequence of reactions, the fırst of which is N2(g) + O2(g) –→ 2NO(g). A H° for this reaction is 180.6 kJ/mol. Determine the minimum temperature at which this reaction becomes spontaneous. Assume that A Hº and A Sº do not vary with temperature.

Photochemical smog is formed through a sequence of reactions, the fırst of which is N2(g) + O2(g) –→ 2NO(g). A H° for this reaction is 180.6 kJ/mol. Determine the minimum temperature at which this reaction becomes spontaneous. Assume that A Hº and A Sº do not vary with temperature.

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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Question

Photochemical smog is formed through a sequence of reactions, the
4.
fırst of which is N2(g) + O2(g)→
2NO(g). A H° for this reaction is
180.6 kJ/mol. Determine the minimum temperature at which this
reaction becomes spontaneous. Assume that A H° and A Sº do not
vary with temperature.
Substance
S° (J/mol*K)
N2(g)
191.5
O2{g)
205.0
NO(g)
210.6
NO2(g)
240.5
O(g)
161.0
This reaction will not be spontaneous at any temperature.
7039 oC
7585 oC
This reaction is spontaneous at all temperatures.
7312 oC

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