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gptkbp:instanceOf
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gptkb:thermodynamic_potential
|
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gptkbp:alsoKnownAs
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gptkb:Gibbs_function
gptkb:Gibbs_energy
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gptkbp:appliesTo
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closed systems
constant pressure and temperature
isobaric processes
isothermal processes
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gptkbp:category
|
physical chemistry
thermodynamics
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gptkbp:changeIndicates
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ΔG < 0: spontaneous process
ΔG = 0: equilibrium
ΔG > 0: non-spontaneous process
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gptkbp:definedIn
|
G = H - TS
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gptkbp:dimensions
|
gptkb:energy
|
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gptkbp:form
|
dG = dH - TdS - SdT
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gptkbp:formulaForChange
|
ΔG = ΔH - TΔS
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gptkbp:hasUnit
|
gptkb:joule
kilojoule
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gptkbp:introducedIn
|
1870s
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gptkbp:location
|
G is Gibbs free energy
H is enthalpy
S is entropy
T is temperature
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gptkbp:measures
|
joule (J)
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gptkbp:minimumAt
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gptkb:chemical_equilibrium
|
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gptkbp:namedAfter
|
gptkb:Josiah_Willard_Gibbs
|
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gptkbp:predicts
|
spontaneity of a process
|
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gptkbp:relatedTo
|
gptkb:organization
gptkb:Helmholtz_free_energy
chemical potential
enthalpy
|
|
gptkbp:symbol
|
G
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|
gptkbp:usedFor
|
calculating maximum reversible work
maximum non-expansion work
reaction feasibility
|
|
gptkbp:usedIn
|
chemistry
physics
chemical thermodynamics
|
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gptkbp:bfsParent
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gptkb:Statistical_Thermodynamics
gptkb:Josiah_Willard_Gibbs
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gptkbp:bfsLayer
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5
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https://www.w3.org/2000/01/rdf-schema#label
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Gibbs free energy
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