G measures the change of free energy in a system as it converts reactant (Y) into product (X). When [Y] =[X], ?G is equal to _____________.

G measures the change of free energy in a system as it converts reactant (Y) into product (X). When [Y] =[X], ?G is equal to _____________.



(a) ?G°+RT
(b) RT
(c) ln [X]/[Y]
(d) ?G°


Answer: D


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