For each pair of substances, choose the one that you expect to have the higher standard molar entropy (S?) at 25?C. Part A CO(g); CO2(g) Part B CH3OH(l); CH3OH(g) Part C Ar(g); CO2(g) Part D CH4(g); SiH4(g) Part E NO2(g); CH3CH2CH3(g) NaBr(s); NaBr(aq)