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For the reaction glutamate (aq) + oxaloacetate²- (aq) a-ketoglutarate2- (aq) + aspartate¯ (aq) the equilibrium constant at standard temperature is Kea' = 2.82. What is the value of AGO¹ for this reaction? Select one: 6.99 kJ/mol -8.62 kJ/mol -2.57 kJ/mol -6.99 kJ/mol 2.57 kJ/mol

For the reaction glutamate (aq) + oxaloacetate²- (aq) a-ketoglutarate2- (aq) + aspartate¯ (aq) the equilibrium constant at standard temperature is Kea' = 2.82. What is the value of AGO¹ for this reaction? Select one: 6.99 kJ/mol -8.62 kJ/mol -2.57 kJ/mol -6.99 kJ/mol 2.57 kJ/mol

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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For the reaction glutamate (aq) + oxaloacetate²- (aq) the equilibrium constant at standard temperature is Keg' = 2.82. What is the value of eq AGO¹ for this reaction? Select one: 6.99 kJ/mol a-ketoglutarate²- (aq) + aspartate¯ (aq) -8.62 kJ/mol O-2.57 kJ/mol -6.99 kJ/mol 2.57 kJ/mol
Transcribed Image Text:For the reaction glutamate (aq) + oxaloacetate²- (aq) the equilibrium constant at standard temperature is Keg' = 2.82. What is the value of eq AGO¹ for this reaction? Select one: 6.99 kJ/mol a-ketoglutarate²- (aq) + aspartate¯ (aq) -8.62 kJ/mol O-2.57 kJ/mol -6.99 kJ/mol 2.57 kJ/mol
Expert Solution
Step 1: Biochemical standard free energy change

Standards free energy change calculated at biochemical standards is called biochemical standard free energy change or simply standard free energy change and is denoted by ΔG'° (delta G prime knot). 

K'eq is the equilibrium constant at biochemical standards and is related to biochemical standard free energy change:

ΔG'° = -R T ln K'eq

Where R is the universal gas constant equal to 8.314 J mol-1 K-1, T is the standard temperature of 298 K and K'eq = [products]/[reactants].

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