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The reduction potentials of two important reactions are given below: Reduction Half-Reaction E° (V) INAD + H + 2e NADH -0.320 Pyruvate + 2H + 2e Lactate -0.185 Consider the net reaction below: Pyruvate + NADH + H Lactate + NAD a. What is the actual potential (E OHR), at 25 °C, of the oxidation half-reaction (OHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) b. What is the actual potential (E'RHR), at 25 °C, of the reduction half-reaction (RHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) c. What is the overall cell potential (AE')? (express your answer in 2 decimal places)

The reduction potentials of two important reactions are given below: Reduction Half-Reaction E° (V) INAD + H + 2e NADH -0.320 Pyruvate + 2H + 2e Lactate -0.185 Consider the net reaction below: Pyruvate + NADH + H Lactate + NAD a. What is the actual potential (E OHR), at 25 °C, of the oxidation half-reaction (OHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) b. What is the actual potential (E'RHR), at 25 °C, of the reduction half-reaction (RHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) c. What is the overall cell potential (AE')? (express your answer in 2 decimal places)

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.101QE: At 298 K, the solubility product constant for PbC2O4 is 8.5 1010, and the standard reduction...
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The reduction potentials of two important reactions are given below: Reduction Half-Reaction E° (V) NAD +H' + 2e NADH -0.320 Pyruvate + 2H + 2e Lactate -0.185 Consider the net reaction below: Pyruvate + NADH + H Lactate + NAD* a. What is the actual potential (E'oHR), at 25 °C, of the oxidation half-reaction (OHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) V b. What is the actual potential (E'RHR), at 25 °C, of the reduction half-reaction (RHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) V c. What is the overall cell potential (AE')? (express your answer in 2 decimal places) V d. What is the actual free energy change (AG) (expressed in 3 significant figures; follow the format below)? J/mol
Transcribed Image Text:The reduction potentials of two important reactions are given below: Reduction Half-Reaction E° (V) NAD +H' + 2e NADH -0.320 Pyruvate + 2H + 2e Lactate -0.185 Consider the net reaction below: Pyruvate + NADH + H Lactate + NAD* a. What is the actual potential (E'oHR), at 25 °C, of the oxidation half-reaction (OHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) V b. What is the actual potential (E'RHR), at 25 °C, of the reduction half-reaction (RHR), when the concentration of pyruvate and NADH are both 0.010 M while lactate and NAD are both 0.050 M? (express your answer in 2 decimal places) V c. What is the overall cell potential (AE')? (express your answer in 2 decimal places) V d. What is the actual free energy change (AG) (expressed in 3 significant figures; follow the format below)? J/mol
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