Given the following information on reduction potentials, calculate the standard free energy in kJ/mol based on your understanding of electron transfer through the pyruvate dehydrogenase complex. Round to nearest whole number. Lipoamide + 2H+ + 2e- → dihydrolipoamide ∆εο = -0.29 FAD + 2H+ + 2e- → FADH2 ∆εο = −0.01
Given the following information on reduction potentials, calculate the standard free energy in kJ/mol based on your understanding of electron transfer through the pyruvate dehydrogenase complex. Round to nearest whole number.
Lipoamide + 2H+ + 2e- → dihydrolipoamide ∆εο = -0.29
FAD + 2H+ + 2e- → FADH2 ∆εο = −0.01
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The 2 half reactions of the reaction of interest is given in question. The reaction of interest that takes place in pyruvate dehydrogenase complex is the transfer of 2 electrons and 2 H+ from dihydrolipoamide to FAD and the reaction is given below.
Dihydrolipoamide + FAD Lipoamide + FADH2
First we need to find change in standard reduction potential value () of the above reaction.
Here the electron acceptor is FAD whose E'0 value is given as -0.01 V and the electron donor is Dihydrolipoamide whose E'0 is given as -0.29 V . E'0 is the standard reduction potential value of reduction half reaction of species; it is represented as in question.
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