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QUESTION 17 What is the equation that relates Keq with AE'o? (Hint: Rearrange two different equations). 'In (Keq) = (NFAE'o)/(RT) 'In (Keq) = (RT)/(NFAE') 'In (Keq) = (nF)/(AE'•RT) In (Keq) = (n)/(FAE'oRT) QUESTION 18 Calculate the equilibrium constant for this reaction at 25°c by using the standard reduction potentials given in the given Table. 1.45 x 104 1.62 x 105 6.19 x 10-6

QUESTION 17 What is the equation that relates Keq with AE'o? (Hint: Rearrange two different equations). 'In (Keq) = (NFAE'o)/(RT) 'In (Keq) = (RT)/(NFAE') 'In (Keq) = (nF)/(AE'•RT) In (Keq) = (n)/(FAE'oRT) QUESTION 18 Calculate the equilibrium constant for this reaction at 25°c by using the standard reduction potentials given in the given Table. 1.45 x 104 1.62 x 105 6.19 x 10-6

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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L-Malate + NAD⁺ ← → Oxaloacetate + NADH

Above is what i selected for the equation, but I don't know how to find  the equilibrium constant.

 

Use the table below and the following information to answer questions 15-19. Standard Reduction Potential of Some Biologically Important Half-Reactions, at pH 7.0 and 25°C (298 K) Half-reaction E" (V) 0.000 2H* + 2e H, (at standard conditions, pH 0) Crotonyl-CoA + 2H* + 2e¯ → butyryl-COA Oxaloacetate- + 2H* + 2e malate- Pyruvate + 2H* + 2e lactate Acetaldehyde + 2H* + 2e FAD + 2H + 2e Glutathione + 2H* + 2e 2 reduced glutathione S+ 2H* + 2e H,S Lipoic acid + 2H* + 2e dihydrolipoic acid NAD* + H* + 2e" NADH NADP* + H* + 2e" NADPH Acetoacetate + 2H* + 2e B-hydroxybutyrate a-Ketoglutarate + co, + 2H* + 2e"→ isocitrate 2H* + 2e - Ferredaxin (Fe*) + e– ferredaxin (Fe²*) -0.015 -0.166 -0.185 → ethanol -0.197 --0.219* FADH, -0.23 -0.243 -0.29 -0.320 -0.324 -0.346 -0.38 -0.414 -0.432 H, (at pH 7) Source: Data mosty from Loach, PA. (1976) in Nandbook of Blochemistry and Molecular Blology. 3rd edn (Fasman, GD. ed). Physical and Chemical Duta, Vol. L po. 122-130, CRC Press, Boca Raton, FL sis the value for fee FAD; FAD bound to a specific favoprotein (for example succinate dehydrogenase) has a d RE" that depends on s protein enironments. In the tricarboxylic acid cycle, L-malate is oxidized to oxaloacetate, using NAD+ as an oxidizing agent. Using the half reactions from the given table, what is the reaction of this reduction-oxidation? Oxaloacetate + NAD+ -- L-Malate + NADH L-Malate + Oxaloacetate -- NAD+ + NADH L-Malate + NAD+ -- Oxaloacetate + NADH L-Malate -- Oxaloacetate + NAD+ + NADH
Transcribed Image Text:Use the table below and the following information to answer questions 15-19. Standard Reduction Potential of Some Biologically Important Half-Reactions, at pH 7.0 and 25°C (298 K) Half-reaction E" (V) 0.000 2H* + 2e H, (at standard conditions, pH 0) Crotonyl-CoA + 2H* + 2e¯ → butyryl-COA Oxaloacetate- + 2H* + 2e malate- Pyruvate + 2H* + 2e lactate Acetaldehyde + 2H* + 2e FAD + 2H + 2e Glutathione + 2H* + 2e 2 reduced glutathione S+ 2H* + 2e H,S Lipoic acid + 2H* + 2e dihydrolipoic acid NAD* + H* + 2e" NADH NADP* + H* + 2e" NADPH Acetoacetate + 2H* + 2e B-hydroxybutyrate a-Ketoglutarate + co, + 2H* + 2e"→ isocitrate 2H* + 2e - Ferredaxin (Fe*) + e– ferredaxin (Fe²*) -0.015 -0.166 -0.185 → ethanol -0.197 --0.219* FADH, -0.23 -0.243 -0.29 -0.320 -0.324 -0.346 -0.38 -0.414 -0.432 H, (at pH 7) Source: Data mosty from Loach, PA. (1976) in Nandbook of Blochemistry and Molecular Blology. 3rd edn (Fasman, GD. ed). Physical and Chemical Duta, Vol. L po. 122-130, CRC Press, Boca Raton, FL sis the value for fee FAD; FAD bound to a specific favoprotein (for example succinate dehydrogenase) has a d RE" that depends on s protein enironments. In the tricarboxylic acid cycle, L-malate is oxidized to oxaloacetate, using NAD+ as an oxidizing agent. Using the half reactions from the given table, what is the reaction of this reduction-oxidation? Oxaloacetate + NAD+ -- L-Malate + NADH L-Malate + Oxaloacetate -- NAD+ + NADH L-Malate + NAD+ -- Oxaloacetate + NADH L-Malate -- Oxaloacetate + NAD+ + NADH
QUESTION 17 What is the equation that relates Keq with AE'o? (Hint: Rearrange two different equations). ° In (Keq) = (NFAE'•)/(RT) O In (Keg) = (RT)/(NFAE'o) O In (Keq) = (nF)/(AE'•RT) In (Keq) - (n)/(FΔΕ'ο RΤ) QUESTION 18 Calculate the equilibrium constant for this reaction at 25°c by using the standard reduction potentials given in the given Table. 1.45 x 104 1.62х 105 6.19 х 10-6
Transcribed Image Text:QUESTION 17 What is the equation that relates Keq with AE'o? (Hint: Rearrange two different equations). ° In (Keq) = (NFAE'•)/(RT) O In (Keg) = (RT)/(NFAE'o) O In (Keq) = (nF)/(AE'•RT) In (Keq) - (n)/(FΔΕ'ο RΤ) QUESTION 18 Calculate the equilibrium constant for this reaction at 25°c by using the standard reduction potentials given in the given Table. 1.45 x 104 1.62х 105 6.19 х 10-6
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