Find both A and B Consider the reactionCS2(9) + 4H2(g) CH4(g) + 2H2S(g)అడa. Calculate AH°, AS° , and AG° at 25°C for this reaction.AH; (kJ/mol) S° (J/mol·K)CS2 (g)H2 (g)CH4 (g)116.9237.90.130.6-74.87186.1H2S(g)-20.50205.6ΔΗ232.77kJAS" = -0.163JKAG = -184.190kJb. Assume AH° and AS are constant with respect to a change of temperature. Now calculate350°C.AG-334.34

The relation of Gibbs free energy changes, enthalpy change and entropy change are related as follows…

Consider the reaction CS2 (9) + 4H2 (g) = CH, (g) + 2H2S(g) a. Calculate AH°, AS°, and AG° at 25°C for this reaction. AH; (kJ/mol) S° (J/mol·K) CS2 (9) H2 (g) CH4 (g) H2 S(g) 116.9 237.9 130.6 -74.87 186.1 -20.50 205.6 ΔΗ' 232.77 kJ AS = -0.163 J/K AG" = -184.190 kJ b. Assume AH and AS" are constant with respect to a change of temperature. Now calculate 350°C. AG7 = -334.34 kJ

Consider the reaction CS2 (9) + 4H2 (g) = CH, (g) + 2H2S(g) a. Calculate AH°, AS°, and AG° at 25°C for this reaction. AH; (kJ/mol) S° (J/mol·K) CS2 (9) H2 (g) CH4 (g) H2 S(g) 116.9 237.9 130.6 -74.87 186.1 -20.50 205.6 ΔΗ' 232.77 kJ AS = -0.163 J/K AG" = -184.190 kJ b. Assume AH and AS" are constant with respect to a change of temperature. Now calculate 350°C. AG7 = -334.34 kJ

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 55E: For the reaction at 298 K, 2NO2(g)N2O4(g) the values of H and S are 58.03 kJ and 176.6 J/K,...

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