// Given:-
V = 35.0                                                                          // volume of the vessel in m^3
p1 = 1.5                                                                          // in bar
T1 = 120.0                                                                        // in degree celcius
psi1 = 0.1                                                                       
T2 = 22.0                                                                         // in degree celcius

// Part(a)
// The dew point temperature at the initial state is the saturation temperature corresponding to the partial pressure pv1. With the given relative humidity and the saturation pressure at 120C from Table A-2
pg1 = 1.985
// Interpolating in Table A-2 gives the dew point temperature as
T = 60.0                                                                          // in degree celcius
// Calculation
pv1 = psi1*pg1                                                                    // partial pressure in bar
// Result
printf( 'The dew point temperature corresponding to the initial state, in degee celcius is:  %f',T)

// Part(b)
Rbar = 8314.0                                                                     // universal gas constant
Mv = 18.0                                                                         // molar mass of vapor in kj/kmol
// Interpolation in Table A-2
Tdash = 56.0                                                                      // in degrees
vv1 =((Rbar/Mv)*(T1+273))/(pv1*10**5)                                             // the specific volume of the vapor at state 1 in m^3/kg
// Result
printf( 'The temperature at which condensation actually begins in degree celcius is:  %f',Tdash)

// Part(c)
// From table 
vf2 = 1.0022e-3
vg2 = 51.447
vv2 = vv1                                                                         // specific volume at final state
// Calculations
mv1 = V/vv1                                                                       // initial amount of water vapor present in kg
x2 = (vv2-vf2)/(vg2-vf2)                                                          // quality
mv2 = x2*mv1                                                                      // the mass of the water vapor contained in the system at the final state
mw2 = mv1-mv2
// Result
printf( 'The amount of water condense in kg is:  %f',mw2)