Description
An isomorphic force (intensive quantity) in thermodynamics or ergodynamics is the partial Gibbs (Helmholtz) energy change per advancement of a transformation (tr).
Abbreviation: ฮFtr
Reference: Gnaiger_1993_PAC
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MiP concept
Gibbs energy or Gibbs force?
Gnaiger E (2018) Gibbs energy or Gibbs force? Mitochondr Physiol Network 2018-08-02. |
Abstract: Gibbs energy, G [J], is an extensive quantity, defined relative to a reference state of a system, comparable to altitude [m] defined relative to a reference (altitude at sea level). When a chemical reaction proceeds in a closed isothermal system, the Gibbs energy of the system undergoes a change, drG, [J]. Force is an intensive quantity. An isomorphic force is defined as the partial derivative of Gibbs energy (exergy) per advancement of a transformation, ฮtrF = dtrG/dtrฮพ. The driving force of a reaction (compare affinity), therefore, is ฮrF = drG/drฮพ [Jยทmol-1].
โข O2k-Network Lab: AT Innsbruck Gnaiger E
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HRR: Theory