5. One of the key steps in the tricarboxylic acid (TCA) cycle is the hydration of fumarate to malate: Fumarate-² + H₂O = Malate-² The standard reaction Gibbs free energy and enthalpy for this reactions are -880 cal/mol and 3560 cal/mol, respectively. (a) What is the equilibrium constant for this reaction (25 °C)? (b) Is the reaction favorable (spontaneous) at 25 °C? (c) What is the equilibrium constant of this reaction under physiological conditions (37 °C)? (d) Is this reaction favorable at 37 °C?
5. One of the key steps in the tricarboxylic acid (TCA) cycle is the hydration of fumarate to malate: Fumarate-² + H₂O = Malate-² The standard reaction Gibbs free energy and enthalpy for this reactions are -880 cal/mol and 3560 cal/mol, respectively. (a) What is the equilibrium constant for this reaction (25 °C)? (b) Is the reaction favorable (spontaneous) at 25 °C? (c) What is the equilibrium constant of this reaction under physiological conditions (37 °C)? (d) Is this reaction favorable at 37 °C?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 7QRT
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![5. One of the key steps in the tricarboxylic acid (TCA) cycle is the hydration of
fumarate to malate:
Fumarate-² + H₂O = Malate-2
The standard reaction Gibbs free energy and enthalpy for this reactions are -880 cal/mol
and 3560 cal/mol, respectively.
(a) What is the equilibrium constant for this reaction (25 °C)?
(b) Is the reaction favorable (spontaneous) at 25 °C?
(c) What is the equilibrium constant of this reaction under physiological conditions
(37 °C)?
(d) Is this reaction favorable at 37 °C?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7a918600-ca67-45f5-9085-6eb6f917baf2%2F53f6e207-1bf1-43a2-8e75-71113cdf2024%2Fuq88nhg_processed.png&w=3840&q=75)
Transcribed Image Text:5. One of the key steps in the tricarboxylic acid (TCA) cycle is the hydration of
fumarate to malate:
Fumarate-² + H₂O = Malate-2
The standard reaction Gibbs free energy and enthalpy for this reactions are -880 cal/mol
and 3560 cal/mol, respectively.
(a) What is the equilibrium constant for this reaction (25 °C)?
(b) Is the reaction favorable (spontaneous) at 25 °C?
(c) What is the equilibrium constant of this reaction under physiological conditions
(37 °C)?
(d) Is this reaction favorable at 37 °C?
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