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

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 89QRT: Determine the standard Gibbs free energy change, rG, for the reactions of liquid methanol, of CO(g),...
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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) → CO2
A. -1246 kJ/mol
B. +1245 kJ/mol
C. -459.36 kJ/mol
D. -394.4 kJ/mol
Transcribed Image Text: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) → CO2 A. -1246 kJ/mol B. +1245 kJ/mol C. -459.36 kJ/mol D. -394.4 kJ/mol
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