Question
For which of the following substances is the standard free energy of formation not equal to...
For which of the following substances is the standard free energy of formation not equal to zero at 298 K.?
A) Cr(s)
B)Kr(g)
C)Ce(s)
D)Na(g)
E)O2(g)
Answers
Among the given substances, Na(g) is not the standard state of sodium. Hence, its standard free energy of formation will not be equal to zero at 298 K
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