Chemistry(Please check)
posted by Hannah .
1) Free energies of formation are
a. always positive
b. always negative
c. never zero
d. measured at 298K
e. more than one response above is correct
I think that free energies can be negative or postive so the answer cannot be e. I chose answer d, they are measured at 298K.
Would you agree?

Chemistry(Please check) 
DrBob222
yes, that is true.
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