Consider the thermal decomposition of barium carbonate: BaCO3(s) → BaO(s) + CO₂(g) Substance and State BaO(s) BaCO3(s) CO₂(g) AHᵒf (kJ/mol) Sº [J/(K-mol)] 72.1 112.1 213.6 -548.0 -1213.0 -393.5 Use the data in the table to calculate the standard free-energy change for this reaction at 25 °C. Express your answer to three significant figures and include the appropriate units. HÅ AG° = Value Units ?

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Chapter10: Entropy And The Second Law Of Thermodynamics
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Consider the thermal decomposition of barium
carbonate:
BaCO3(s) → BaO(s) + CO₂(g)
Substance
and State
BaO(s)
BaCO3(s)
CO₂(g)
AHᵒf (kJ/mol) Sº [J/(K-mol)]
72.1
112.1
213.6
-548.0
-1213.0
-393.5
Use the data in the table to calculate the standard free-energy change for this reaction at 25 °C.
Express your answer to three significant figures and include the appropriate units.
HÅ
AG° =
Value
Units
?
Transcribed Image Text:Consider the thermal decomposition of barium carbonate: BaCO3(s) → BaO(s) + CO₂(g) Substance and State BaO(s) BaCO3(s) CO₂(g) AHᵒf (kJ/mol) Sº [J/(K-mol)] 72.1 112.1 213.6 -548.0 -1213.0 -393.5 Use the data in the table to calculate the standard free-energy change for this reaction at 25 °C. Express your answer to three significant figures and include the appropriate units. HÅ AG° = Value Units ?
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