$\backslash$table$[[$T$^(**),\backslash$Omega $\_($D$),$T$^(**),\backslash$Omega $\_($D$),$T$^(**),\backslash$Omega $\_($D$),$T$^(**),\backslash$Omega $\_($D$)],[$I$,40,$I,$233,$I,$55,$I,I$82,$I,$65,$I,I$53,$I,$75,$I,I$28],[$I$,45,$I,$2$I$5,$I,$60,$I,I$67,$I,$70,$I,I$40,$I,$80,$I,II$6]]$Calculate the diffusion of $1$ atm methanol $($A$)$ vapors at $25\backslash$deg C to air $($B$)$ using the Chapman$-$Enskog relation. The average molecular diameter of air is $0\mathrm{.}3711$ nm $(1$nm$=1$x$10-7$cm$),\backslash$epsi B$/$k $=78\mathrm{.}6$ K$,$ mole weight is $29$ ggmol$-1,$ normal boiling point of methanol is $65\backslash$deg C$.$ Mole weight of methanol is $32$ g gmol$-1$ and The atomic volume at normal boiling point will be taken as $14\mathrm{.}8$ cm$3$ gmol$-1$ for C$,3\mathrm{.}7$ cm$3$ gmol$-1$ for H and $7\mathrm{.}4$ cm$3$ gmol$-1$ for O$.$