Problem $1$: Consider a rigid container $($constant volume$)$ filled with a two$-$phase mixture of

ammonia at $25C.$ The initial quality is $0\mathrm{.}2.$ The temperature is then increased to $40C.$ Find:

$($i$)$ The initial pressure, in bar, rounded to the nearest decimal place

$($ii$)$ The final pressure, in bar, rounded to the nearest decimal place

$($iii$)$ The initial specific volume of the two$-$phase mixture, in $\frac{m^3}{k}g,$ rounded to the nearest

$3$ decimal places

$($iv$)$ The final specific volume of the two$-$phase mixture, in $\frac{m^3}{k}g,$ rounded to the nearest

$3$ decimal places

$($v$)$ The final quality, to the nearest $2$ decimal places

$($vi$)$ Is the mass of liquid in the mixture at the final state $(m_{f,2})$ more or less than the mass

of liquid at the initial state $(m_{f,1})?$

$($vii$)$ Draw the process on the T$-$v diagram corresponding to ammonia, which is given in

the Schematic and Given Data section.

Known:

Find:

Schematic and Given Data: Print this sheet, fill it out, scan it$,$ and upload it to the Canvas assignment

TABLE A$-13$ Properties of Saturated Ammonia $($Liquid$-$Vapor$)$: Temperature Table

Source: Tables A$-13$ through A$-15$ are calculated based on equations from L$.$ Haar and J$.$ S$.$ Gallagher, "Thermodynamic Properties of Ammonia," I Phys$.$ Chem Reference Data, Vol. $7,1978,$ pp $635-792.$ Consider a rigid container $($constant volume$)$ filled with a two$-$phase mixture of

ammonia at $25\backslash$deg C$.$ The initial quality is $0\mathrm{.}2.$ The temperature is then increased to $40\backslash$deg C$.$ Find:

$($i$)$ The initial pressure, in bar, rounded to the nearest decimal place

$($ii$)$ The final pressure, in bar, rounded to the nearest decimal place

$($iii$)$ The initial specific volume of the two$-$phase mixture, in m$3/$kg$,$ rounded to the nearest

$3$ decimal places

$($iv$)$ The final specific volume of the two$-$phase mixture, in m$3/$kg$,$ rounded to the nearest

$3$ decimal places

$($v$)$ The final quality, to the nearest $2$ decimal places

$($vi$)$ Is the mass of liquid in the mixture at the final state $($ m f $,2)$ more or less than the mass

of liquid at the initial state $($mf $,1)?$

$($vii$)$ Draw the process on the T$-$v diagram corresponding to ammonia, which is given in

the Schematic and Given Data section.