1. 2NO(g) + O2(g)→ 2NO (g) DH° = -112 kJ/mol Absolute Entropy at 298 K (J/(K mol)) NO(9) 211 O2(9) 205 NO2(g) 240 a. Explain the sign of the entropy change based on the chemical equation. b. Is the reaction thermodynamically favorable at 298K? Justify your answer based on the calculation of the value and sign of DGº. c. Is the value of the equilibrium constant, K, for the reaction greater than 1, or less than 1? Justify your answer.
1. 2NO(g) + O2(g)→ 2NO (g) DH° = -112 kJ/mol Absolute Entropy at 298 K (J/(K mol)) NO(9) 211 O2(9) 205 NO2(g) 240 a. Explain the sign of the entropy change based on the chemical equation. b. Is the reaction thermodynamically favorable at 298K? Justify your answer based on the calculation of the value and sign of DGº. c. Is the value of the equilibrium constant, K, for the reaction greater than 1, or less than 1? Justify your answer.
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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Transcribed Image Text:1. 2NO(g) + O2(g) → 2NO;(g) DH° = -112 kJ/mol
Absolute Entropy at 298 K (J/(K mol))
NO(g)
211
O2(g)
205
NO2(9)
240
a. Explain the sign of the entropy change based on the chemical equation.
b. Is the reaction thermodynamically favorable at 298K? Justify your answer based on
the calculation of the value and sign of DG°.
c. Is the value of the equilibrium constant, K, for the reaction greater than 1, or less than
1? Justify your answer.
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