A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction. ATP(aq)+H2O(l)⟶ADP(aq)+HPO2−4(aq) for which Δ?∘rxn=−30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of Δ?rxn in a biological cell in which [ATP]=5.0 mM, [ADP]=0.40 mM, and [HPO2−4]=5.0 mM. Δ?rxn= Is the hydrolysis of ATP spontaneous under these conditions?
A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction. ATP(aq)+H2O(l)⟶ADP(aq)+HPO2−4(aq) for which Δ?∘rxn=−30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of Δ?rxn in a biological cell in which [ATP]=5.0 mM, [ADP]=0.40 mM, and [HPO2−4]=5.0 mM. Δ?rxn= Is the hydrolysis of ATP spontaneous under these conditions?
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
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.44QE
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A critical reaction in the production of energy to do work or drive
ATP(aq)+H2O(l)⟶ADP(aq)+HPO2−4(aq)
for which Δ?∘rxn=−30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of Δ?rxn in a biological cell in which [ATP]=5.0 mM, [ADP]=0.40 mM, and [HPO2−4]=5.0 mM.
Δ?rxn=
Is the hydrolysis of ATP spontaneous under these conditions?
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