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Difference between revisions of "Equivalence"

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== Example ==
:::* [[Iconic symbols]] indicate [[equality]] beyond [[equivalence]], for instance in equations for the [[protonmotive force]] ''pmF'' ([[Blue Book]] Eq. 8.1 and 8.2)
:::: Conventional symbols:
:::::::::::: {| class="wikitable"
|+ The protonmotive force ''pmF''
|-
! Format !! Definition !! Units
|-
| charge format: || Δp ≡ ∆''𝜇''<sub>H<sup>+</sup></sub> ∙ (''𝑧''<sub>H<sup>+</sup></sub> ∙ ''𝐹'')<sup>−1</sup> + ∆''𝛹''<sub>p<sup>+</sup></sub> || [J∙C<sup>-1</sup> = V]
|-
| amount format:  || Δ''𝜇̃  ''<sub>H<sup>+</sup></sub> ≡ ∆''𝜇''<sub>H<sup>+</sup></sub> + ∆''𝛹''<sub>p<sup>+</sup></sub> ∙ (''𝑧''<sub>H<sup>+</sup></sub> ∙ ''𝐹'') || [J∙mol<sup>-1</sup> = Jol]
|}
:::: Iconic symbols: Δ<sub>m</sub>''F''<sub>H<sup>+</sup></sub> = Δ<sub>d</sub>''F''<sub>H<sup>+</sup></sub> + Δ<sub>el</sub>''F''<sub>p<sup>+</sup></sub>
:::::: {| class="wikitable"
|+ Chemical potential, stoichiometry, and metabolic force
|-
! Quantity !! Symbol !! Equation !! Units !! [[Blue Book]] 8.2.2.
|-
| potential: || ''μ''<sub>H<sup>+</sup></sub> || = ''RT''∙ln ''a''<sub>H<sup>+</sup></sub> = -''RT''∙ln(10)∙pH || [kJ∙mol<sup>-1</sup>] || 8.18a
|-
| difference || Δ''μ''<sub>H<sup>+</sup></sub> || = -''RT''∙ln(10)∙ΔpH = -''RT''∙2.303∙(pH<sub>''b''</sub>-pH<sub>''a''</sub>) || [kJ∙mol<sup>-1</sup>] || 8.18b
|-
| force: || Δ<sub>d</sub>''F''<sub>H<sup>+</sup></sub> || = ''μ''<sub>H<sup>+</sup>''a''</sub>∙''ν''<sub>a</sub> + ''μ''<sub>H<sup>+</sup>''b''</sub>∙''ν''<sub>b</sub> =-''RT''∙2.303∙∆<sub>d</sub>pH || [kJ∙mol<sup>-1</sup>] || 8.18c
|}


{{MitoPedia concepts
{{MitoPedia concepts
|mitopedia concept=Ergodynamics
|mitopedia concept=Ergodynamics
}}
}}

Latest revision as of 12:35, 17 July 2022


high-resolution terminology - matching measurements at high-resolution


Equivalence

Description

Numerical equivalence (symbol ≡) indicates that two quantities are numerically equal, even if the full meaning may be different. For instance: 1 ≡ 1·1 and 1 ≡ 1/1. In contrast to ≡, the symbol = indicates physicochemical equality.

Abbreviation:

Reference: Gnaiger 2020 BEC MitoPathways

Example

Conventional symbols:
The protonmotive force pmF
Format Definition Units
charge format: Δp ≡ ∆𝜇H+ ∙ (𝑧H+𝐹)−1 + ∆𝛹p+ [J∙C-1 = V]
amount format: Δ𝜇̃ H+ ≡ ∆𝜇H+ + ∆𝛹p+ ∙ (𝑧H+𝐹) [J∙mol-1 = Jol]
Iconic symbols: ΔmFH+ = ΔdFH+ + ΔelFp+
Chemical potential, stoichiometry, and metabolic force
Quantity Symbol Equation Units Blue Book 8.2.2.
potential: μH+ = RT∙ln aH+ = -RT∙ln(10)∙pH [kJ∙mol-1] 8.18a
difference ΔμH+ = -RT∙ln(10)∙ΔpH = -RT∙2.303∙(pHb-pHa) [kJ∙mol-1] 8.18b
force: ΔdFH+ = μH+aνa + μH+bνb =-RT∙2.303∙∆dpH [kJ∙mol-1] 8.18c


MitoPedia concepts: Ergodynamics