Using the A-B binary equilibrium diagram given above;

a) Calculate the activity coefficients and activity of A and B at the saturation limits at 800K. Draw the activity-composition diagram.

b) Calculate the mixture free energy at the saturation limits at 800K and plot the composition-free energy change.

c) Calculate the activity of B for XA=0.03 at 800 K.

d) Calculate the interatomic bond parameter for XA=0.03 at 800 K.

e) Calculate the activity of A for XA=0.03 at 800 K.

f) Calculate the total free energy value of the solution for XA=0.03 at 800 K.

g) Calculate the vapor pressure of A in solution for the composition XA=0.2 at 800 K.

InPA0=T334405,06InT+48,27