Saturday, January 20, 2007

HW #3, P11.8 - Partial Molar Volumes of the Components of a Binary Mixture - 6 pts

If the molar density of a binary mixture is given by the empirical expression:

1/V~ = a0 + a1 x1 + a2 (x1)^2

find the corresponding expressions for Vbar1 and Vbar2.

Hints :
Use equations 11.15 and 11.16.
The xi's are mole fractions of species i.

1 comment:

Dr. B said...

Hi Everyone,

Here is an additional hint that I posted on the course website...

The goal is to get V1,bar = fxn(ρ , x1) and V2,bar = fxn(ρ , x1)
Use the equation for ρ an the fact that V~ = 1/ρ to eliminate V~ in eqns 11.15 and 11.16.