$10\mathrm{.}34.$ 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$,$ HR$,$ SR$,$ and GR 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 $=60\backslash$deg C 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$=50\backslash$deg C 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 $=25\backslash$deg C and P $=100$ kPa $($d$)$ Nitrogen$(1)/$ammonia$(2)$ with mole fractions y$1=0\mathrm{.}83$ and y$2=0\mathrm{.}17$ at $1=20\backslash$deg C 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 $=25\backslash$deg C and P $=420$ kPa Note: Set ky$-0$ in Eq$.(10\mathrm{.}71).$

Where

Eq $3\mathrm{.}36$ Z$=$PV$/$RT$=1+$BP$/$RT

Eq $3\mathrm{.}61$ B$^0=0\mathrm{.}083-0\mathrm{.}422/($T$\_$r$^1\mathrm{.}6)$

Eq $3\mathrm{.}62$ B$^1=0\mathrm{.}139-0\mathrm{.}172/($T$\_$r$^4\mathrm{.}2)$

Eq $6\mathrm{.}54$ G$^$R$/$RT$=$BP$/$RT

Eq $6\mathrm{.}55$ H$^$R$/$RT$=$P$/$R $($B$/$T$-$dB$/$dT$)$

Eq $6\mathrm{.}56$ S$^$R$/$R$=-$P$/$R dB$/$dT

Eq $6\mathrm{.}70($dB$^0)/($dT$\_$r $)=0\mathrm{.}675/($T$\_$r$^2\mathrm{.}6)$

Eq $6\mathrm{.}71($dB$^1)/($dT$\_$r $)=0\mathrm{.}722/($T$\_$r$^5\mathrm{.}2)$

Eq $10\mathrm{.}62$ B$=$y$\_1^2$ B$\_11+2$y$\_1$ y$\_2$ B$\_12+$y$\_2^2$ B$\_22$

Eq $10\mathrm{.}69$a B $\_$ij$=$B$^0+$w$\_$ij B$^1$

Eq $10\mathrm{.}69$b B $\_$ij$=($B$\_$ij P$\_$cij$)/($RT$\_$cij $)$

Eq $10\mathrm{.}70$ w$\_$ij$=(($w$\_$i$+$w$\_$j $))/2$

Eq $10\mathrm{.}71$ T$\_$cij$=($T$\_$ci T$\_$cj $)^(1/2)(1-$k$\_$ij $)$

Eq $10\mathrm{.}72$ P$\_$cij$=($Z$\_$cij RT$\_$cij$)/$V$\_$cij

Eq $10\mathrm{.}73$ Z$\_$cij$=($Z$\_$ci$+$Z$\_$cj$)/2$

Eq $10\mathrm{.}74$ V$\_$cij$=((($V$\_$ci$^(1/3)+$V$\_$cj$^(1/3)))/2)^310\mathrm{.}34.$ 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$.(10\mathrm{.}71).$