From each pair of substances below, choose the one with the higher

Question

molar So, at 298 K
a) Hg (s), Hg (l) d) C2H6 (g), C2H4 (g)
b) HI (g), HCl (g) e) H2 (1 atm), H2 (2 atm), 1 mol at 298 K
c) NH3 (g), Ne (g) f) NaCl(s), NaCl (aq)

Answer 1

the answer is D C2H6(g)has a standard entropy of 206.5 and C2H4(g) has a standard entropy of 219.5 which are higher than all the other substances.