All of the following have values of zero for free energy of formation, except?

All of the following have values of zero for free energy of formation, except:

A) Fe(l)
B) S8(s)
C) N2(g)
D) Br2(l)
E) Hg(l)

1 Answer
May 18, 2018

Except for #A#..

Explanation:

#DeltaG_f^@-=0*kJ*mol^-1*K^-1# for an element in its standard state under standard conditions... Clear, iron metal is not liquid in its standard state under standard conditions...and here its free energy will be NON-ZERO...