Chemistry Gibbs Free Energy Solution: Which of the following has ΔG of  = 0 at 25 oC? A...

Solution: Which of the following has ΔG of  = 0 at 25 oC? A)  CO2 (l)    B)  H2O (l)    C)  Hg (s)    D)  O2 (g)    E)  NH3 (g)