R$=8\mathrm{.}314($J$)/($m$)$olK$,$R$=83\mathrm{.}14$c$($m$^(3))/($b$)$ar $/$molK$,$R$=82\mathrm{.}06$cm$^(3)$at$($m$)/($m$)$olK Determine the molar volume of isobutane at T$=367\mathrm{.}3$K and P$=29\mathrm{.}2$ bar using a$)$ The ideal gas state b$)$ The generalized compressibility$-$factor correlation $($see Example $3\mathrm{.}10)$ c$)$ Equation $(3\mathrm{.}57),$ with the generalized correlation for B d$)$ Compare and comment on the results