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Consider the decomposition of yellow mercury (II) oxide. HgO (s,yellow) ⟶ Hg(l) + 1/2 O2(g) Calculate the standard free energy change at room temperature, ΔG°, using (a) standard free energies of formation and (b) standard enthalpies of formation and standard entropies. Do the results indicate the reaction to be spontaneous or nonspontaneous under standard conditions?

Consider the decomposition of yellow mercury (II) oxide. HgO (s,yellow) ⟶ Hg(l) + 1/2 O2(g) Calculate the standard free energy change at room temperature, ΔG°, using (a) standard free energies of formation and (b) standard enthalpies of formation and standard entropies. Do the results indicate the reaction to be spontaneous or nonspontaneous under standard conditions?

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter10: Energy
Section: Chapter Questions
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Consider the decomposition of yellow mercury (II) oxide.
HgO (s,yellow) ⟶ Hg(l) + 1/2 O2(g)

Calculate the standard free energy change at room temperature, ΔG°, using (a) standard free energies of
formation and (b) standard enthalpies of formation and standard entropies. Do the results indicate the
reaction to be spontaneous or nonspontaneous under standard conditions?

 

Compound HgO (s, yellow) Hg() O₂(g) AG; (kJ/mol) -58.43 0 0 AH; (kJ/mol) -90.46 0 0 S° (J/K-mol) 71.13 75.9 205.2
Transcribed Image Text:Compound HgO (s, yellow) Hg() O₂(g) AG; (kJ/mol) -58.43 0 0 AH; (kJ/mol) -90.46 0 0 S° (J/K-mol) 71.13 75.9 205.2
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