$10\mathrm{.}34.$ Make use of Eqs. $(3\mathrm{.}36),(3\mathrm{.}61),(3\mathrm{.}62),(6\mathrm{.}54),(6\mathrm{.}55),(6\mathrm{.}56),(6\mathrm{.}70),(6\mathrm{.}71),(10\mathrm{.}62),$ and $(10\mathrm{.}69)-(10\mathrm{.}74),$ to estimate $V,H^R,S^R,$

and $G^R$ for one of the following binary vapor mixtures:

$($a$)$ Acetone$(1)/1,3-$butadiene$(2)$ with mole fractions $y_1=0\mathrm{.}28$ and $y_2=0\mathrm{.}72$ at $t=60C$ and $P=170$kPa

$($b$)$ Acetonitrile$(1)/$diethyl ether$(2)$ with mole fractions $y_1=0\mathrm{.}37$ and $y_2=0\mathrm{.}63$ at $t=50C$ and $P=120$kPa

$($c$)$ Methyl chloride$(1)/$ethyl chloride$(2)$ with mole fractions $y_1=0\mathrm{.}45$ and $y_2=0\mathrm{.}55$ at $t=25C$ and $P=100$kPa

$($d$)$ Nitrogen$(1)/$ammonia$(2)$ with mole fractions $y_1=0\mathrm{.}83$ and $y_2=0\mathrm{.}17$ at $t=20C$ and $P=300$kPa

$($e$)$ Sulfur dioxide$(1)/$ethylene$(2)$ with mole fractions $y_1=0\mathrm{.}32$ and $y_2=0\mathrm{.}68$ at $t=25C$ and $P=420$kPa

Note: Set $k_{ij}=0$ in Eq$.(10\mathrm{.}71).$