From a consideration of the following reactions, calculate
Hf for ethane, C2H6(g).
CH3CHO(g) + 2H2(g) → C2H6(g) + H2O(l); ∆Ho(kJ) = 204
2H2(g) + O2(g) → 2H2O(g); ∆Ho(kJ) = 484
2C2H5OH(l) + O2(g) → 2CH3CHO(g) + 2H2O(l); ∆Ho(kJ) = 348
H2O(l) → H2O(g);
∆Ho(kJ) = 44
2C2H5OH(l) → 4C(s) + 6H2(g) + O2(g);
∆Ho(kJ) = 555
b. From appropriate entropy data, calculate ∆So for the formation of ethane from the elements.
c. Using the information from above, calculate ∆Gof for ethane at 25oC.