se the observation in the first column to answer the question in the second column. \begin{tabular}{|l|} \hline \multicolumn{1}{|c|}{ observation } \\ At 1 atm pressure, \\ Substance E boils at \\ 133.C and Substance F \\ boils at 145.C. \\ \hline \end{tabular} The enthalpy of vaporization of Substance C is bigger than that of Substance D. At 20C, Substance A has a vapor pressure of 149 . torr and Substance B has a vapor pressure of 99. torr