Chapter 17, Problem 76E

One reaction that occurs in human metabolism is

For this reaction ∆G°= 14 kJ at 25°c.

a. Calculate K for this reaction at 25°C.

b. In a living cell this reaction is coupled with the hydrolysis of ATP. (See Exercise 75.) Calculate ∆G° and K at 25°C for the following reaction:

$\text{Glutamic acid}\left(aq\right)+\text{ATP}\left(aq\right)+{\text{NH}}_{\text{3}}\left(aq\right)\rightleftharpoons \text{Glutamine}\left(aq\right)+\text{ADP}\left(aq\right)+{\text{H}}_{\text{2}}{\text{PO}}_{\text{4}}{}^{-}\left(aq\right)$