Cytochrome, a complicated molecule that we will representas CyFe2+, reacts with the air we breathe to supply energyrequired to synthesize adenosine triphosphate (ATP). Thebody uses ATP as an energy source to drive other reactions. At pH 7.0 the following reduction potentialspertain to this oxidation of CyFe2+:O2(g) + 4 H+(aq) + 4 e----->2 H2O(l) E°red = +0.82 VCyFe3+(aq) + e- ----->CyFe2+(aq) E°red = +0.22 V(a) What is ΔG for the oxidation of CyFe2+ by air? (b) If thesynthesis of 1.00 mol of ATP from adenosine diphosphate(ADP) requires a ΔG of 37.7 kJ, how many moles of ATP aresynthesized per mole of O2?
Cytochrome, a complicated molecule that we will representas CyFe2+, reacts with the air we breathe to supply energyrequired to synthesize adenosine triphosphate (ATP). Thebody uses ATP as an energy source to drive other reactions. At pH 7.0 the following reduction potentialspertain to this oxidation of CyFe2+:O2(g) + 4 H+(aq) + 4 e----->2 H2O(l) E°red = +0.82 VCyFe3+(aq) + e- ----->CyFe2+(aq) E°red = +0.22 V(a) What is ΔG for the oxidation of CyFe2+ by air? (b) If thesynthesis of 1.00 mol of ATP from adenosine diphosphate(ADP) requires a ΔG of 37.7 kJ, how many moles of ATP aresynthesized per mole of O2?
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section19.9: Corrosion: Redox Reactions In The Environment
Problem 2.4ACP: The overall reaction for the production of Cu(OH)2 from Cu in oxygenated water can be broken into...
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Cytochrome, a complicated molecule that we will represent
as CyFe2+, reacts with the air we breathe to supply energy
required to synthesize adenosine triphosphate (ATP). The
body uses ATP as an energy source to drive other reactions. At pH 7.0 the following reduction potentials
pertain to this oxidation of CyFe2+:
O2(g) + 4 H+(aq) + 4 e----->2 H2O(l) E°red = +0.82 V
CyFe3+(aq) + e- ----->CyFe2+(aq) E°red = +0.22 V
(a) What is ΔG for the oxidation of CyFe2+ by air? (b) If the
synthesis of 1.00 mol of ATP from adenosine diphosphate
(ADP) requires a ΔG of 37.7 kJ, how many moles of ATP are
synthesized per mole of O2?
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