Please answer 15-18. 15.) Determine the change in entropy of the reaction: SO2 (g) + H2O2 (1) → H2SO4 (1). The standardentropies for each species are 248.22, 188.83, 156.90 J/K mol for SO2 (g), H2O2 (1) and H2SO4 (1)respectively.A. -280.15 J/K molB. 280.15 J/K mol C. 216.29 J/K molD. -216 J/K mol E. 593.95 J/K mol16.) Which of the following defines a spontaneous reaction?A. The reaction proceeds without interventionB. The reaction proceeds at a fast rate.C. The reactions proceeds to equilibriumD. All of them17.) Calculate the change in the Gibbs energy if one mole of a perfect gas is allowed to expandisothermally and reversibly at 60°C from a volume of 3.5 L to 8.0 L.A. -2.29 kJB. +2.29 kJC. +9.32 kJD. -9.32 kJ18.) Determine the change in the Gibbs energy for the reaction at 298 K. The Enthalpy of formationfor CO2 (g) was -393.51 kJ/mol. The entropies for C (s), 02 (g) and CO2 (g) are 5.740, 205.138,213.74 J/K molC (s) + 02 (g) → C02A. -1246 kJ/molB. +1245 kJ/molC. -459.36 kJ/molD. -394.4 kJ/mol

Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

15.) Determine the change in entropy of the reaction: SO2 (g) + H2O2 (1) → H2SO4 (1). The standard entropies for each species are 248.22, 188.83, 156.90 J/K mol for SO2 (g), H2O2 (1) and H2SO4 (1) respectively. 200 1rL

15.) Determine the change in entropy of the reaction: SO2 (g) + H2O2 (1) → H2SO4 (1). The standard entropies for each species are 248.22, 188.83, 156.90 J/K mol for SO2 (g), H2O2 (1) and H2SO4 (1) respectively. 200 1rL

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 93QRT: The standard molar entropy of iodine vapor, I2(g), is 260.7 J Kl mol-1 and the standard molar...

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Question

Please answer 15-18.

15.) Determine the change in entropy of the reaction: SO2 (g) + H2O2 (1) → H2SO4 (1). The standard
entropies for each species are 248.22, 188.83, 156.90 J/K mol for SO2 (g), H2O2 (1) and H2SO4 (1)
respectively.
A. -280.15 J/K mol
B. 280.15 J/K mol C. 216.29 J/K mol
D. -216 J/K mol E. 593.95 J/K mol
16.) Which of the following defines a spontaneous reaction?
A. The reaction proceeds without intervention
B. The reaction proceeds at a fast rate.
C. The reactions proceeds to equilibrium
D. All of them
17.) Calculate the change in the Gibbs energy if one mole of a perfect gas is allowed to expand
isothermally and reversibly at 60°C from a volume of 3.5 L to 8.0 L.
A. -2.29 kJ
B. +2.29 kJ
C. +9.32 kJ
D. -9.32 kJ
18.) Determine the change in the Gibbs energy for the reaction at 298 K. The Enthalpy of formation
for CO2 (g) was -393.51 kJ/mol. The entropies for C (s), 02 (g) and CO2 (g) are 5.740, 205.138,
213.74 J/K mol
C (s) + 02 (g) → C02
A. -1246 kJ/mol
B. +1245 kJ/mol
C. -459.36 kJ/mol
D. -394.4 kJ/mol

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