Bioblast quiz: Difference between revisions
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<quiz display=simple shuffleanswers=true quiz points="1/0!"> | <quiz display=simple shuffleanswers=true quiz points="1/0!"> | ||
{Which physicochemical constant is required? | {Which physicochemical constant is required? | ||
|type=" | |type="{}"} | ||
+ The [[Faraday constant]] | + The [[Faraday constant]] | ||
|| ''F'' = ''e''Β·''N''<sub>A</sub> = 96,485.33 C/mol | || ''F'' = ''e''Β·''N''<sub>A</sub> = 96,485.33 C/mol | ||
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- Distractor. | - Distractor. | ||
- Distractor. | - Distractor. | ||
| |||
{ | |||
|type="{}"} | |||
Which physicochemical constant is required? | |||
{ Faraday constant } | |||
|| The [[Faraday constant]] ''F'' = ''e''Β·''N''<sub>A</sub> = 96,485.33 C/mol | |||
{What is the meaning of the symbol ''z''<sub>O2</sub>? | {What is the meaning of the symbol ''z''<sub>O2</sub>? | ||
|type=" | |type="()"} | ||
+ [[Charge number]] of O<sub>2</sub> = 4 Β | + [[Charge number]] of O<sub>2</sub> = 4 Β | ||
|| Explanation | || Explanation | ||
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{How are the units of electric energy [J] and electric force [V] related? | {How are the units of electric energy [J] and electric force [V] related? | ||
|type=" | |type="()"} | ||
+ V = J/C. | + V = J/C. | ||
- Distractor. | - Distractor. | ||
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{Express -460 kJ/mol O<sub>2</sub> as electrical force in units of volt [V]. | {Express -460 kJ/mol O<sub>2</sub> as electrical force in units of volt [V]. | ||
|type=" | |type="()"} | ||
+ -1.2 V | + -1.2 V | ||
|| -460 [kJ/mol]/(4Β·''e''Β·''N''<sub>A</sub> [C/mol]) = -460 [kJ/mol]/(4Β·96,485.33 [C/mol]) = -0.00119189 kJ/C = -1.2 J/C = -1.2 V | || -460 [kJ/mol]/(4Β·''e''Β·''N''<sub>A</sub> [C/mol]) = -460 [kJ/mol]/(4Β·96,485.33 [C/mol]) = -0.00119189 kJ/C = -1.2 J/C = '''-1.2 V''' | ||
- | - 1.2 V | ||
- | || -460 [kJ/mol]/(4Β·''e''Β·''N''<sub>A</sub> [C/mol]) = -460 [kJ/mol]/(4Β·96,485.33 [C/mol]) = -0.00119189 kJ/C = -1.2 J/C = '''-1.2 V''' | ||
- | - - 1.2 kV | ||
|| -460 [kJ/mol]/(4Β·''e''Β·''N''<sub>A</sub> [C/mol]) = -460 [kJ/mol]/(4Β·96,485.33 [C/mol]) = -0.00119189 kJ/C = -1.2 J/C = '''-1.2 V''' | |||
- - 120 V | |||
|| -460 [kJ/mol]/(4Β·''e''Β·''N''<sub>A</sub> [C/mol]) = -460 [kJ/mol]/(4Β·96,485.33 [C/mol]) = -0.00119189 kJ/C = -1.2 J/C = '''-1.2 V''' | |||
{Why should we do that? | {Why should we do that? | ||
|type=" | |type="()"} | ||
+ identical [[motive unit]]s [MU] | + identical [[motive unit]]s [MU] | ||
|| To relate the driving force of electron transfer to the pmf, we have to express both forces in identical [[motive unit]]s [MU], converting either the force of the chemical reaction from the [[molar format]] to the [[electrical format]], or the pmf from the electrical to the molar format. | || To relate the driving force of electron transfer to the pmf, we have to express both forces in identical [[motive unit]]s [MU], converting either the force of the chemical reaction from the [[molar format]] to the [[electrical format]], or the pmf from the electrical to the molar format. |
Revision as of 20:39, 4 November 2018
Self educational quizzes
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Exemplary Quiz
(Note: Questions in this exemplary quiz were used from a set of questions prepared by Gnaiger Erich for his presentation at MiPschool Tromso-Bergen 2018: The protonmotive force and respiratory control. 1. Coupling of electron transfer reactions to vectorial translocation of protons. 2. From Einsteinβs diffusion equation on gradients to Fickβs law on compartments.
Original link here: Gnaiger 2018 MiPschool Tromso A2
(Only one correct answer)
Convert the molar format of the Gibbs force of reaction, ΞkFnO2 [kJ/mol], into the electrical format, ΞkFeO2 [V].
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