$(10\%)$Calculate and plot the partial molar enthalpies of benzene and ethyl alcohol as a function of composition in a mixture for the following conditions.

$($a$)200a$ and $300F$

$($b$)200a$ and $400F$

$($c$)500a$ and $300F$

Comment on the ideality of the mixture under these conditions.

The following data are applicable:

$\backslash$table$[[\backslash$table$[[$Press$.],[($psia$)]],\backslash$table$[[$Temp$.],[(\backslash$deg F$)]],\backslash$table$[[$Enthalpy$],[$C$\_(2)$H$\_(5)$OH$]],$Enthalpy C$\_(6)$H$\_(6),$Enthalpy$],[(($Btu$)/($lb$)),(($Btu$)/($ lbmole $)),(($Btu$)/($lb$)),(($Btu$)/($ lbmole $)),\backslash$table$[[25$mol$\%],[$C$\_(2)$H$\_(5)$OH$]],\backslash$table$[[50$mol$\%],[$C$\_(2)$H$\_(5)$OH$]],\backslash$table$[[75$mol$\%],[$C$\_(2)$H$\_(5)$OH$]]],[(($Btu$)/($lb$)),(($Btu$)/($ lbmole $)),(($Btu$)/($lb$)),(($Btu$)/($lbmole$)),(($Btu$)/($lb$)),(($Btu$)/($ lbmole $))],[200,300,166,7630,99,7720,125,8750,143,8850,157,8410],[200,400,512,23600,280,21800,322,22500,371,23000,433,23400],[500,300,166,,99,,125,,143,8850,157,]]$