3. The vapor pressures of the components, A and B, in a binary solution have been modeled and found to obey PA = XAPA" exp(xB²) Pg = XBPB exp(xA²) where XA and XB are the mole fractions, and PA* and PB* are the vapor pressures of each pure substance. (a) If PA* = 0.100 bar and Pg* the mixture when XA 0.240 bar, compute the total vapor pressure (in bars) of %3D %3D = 0,36. (b) Assuming that the vapor is an ideal gas, what are the mole fractions of each component in the vapor phase?

3. The vapor pressures of the components, A and B, in a binary solution have been modeled and found to obey PA = XAPA" exp(xB²) Pg = XBPB exp(xA²) where XA and XB are the mole fractions, and PA* and PB* are the vapor pressures of each pure substance. (a) If PA* = 0.100 bar and Pg* the mixture when XA 0.240 bar, compute the total vapor pressure (in bars) of %3D %3D = 0,36. (b) Assuming that the vapor is an ideal gas, what are the mole fractions of each component in the vapor phase?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

3. The vapor pressures of the components, A and B, in a binary solution have been modeled
and found to obey
PA = XAPA¨ exp(xB²)
%3D
PB = XBPB* exp(x²)
where XA and XB are the mole fractions, and PA* and PB* are the vapor pressures of each
pure substance.
(a) If PA* = 0.100 bar and Pg* = 0.240 bar, compute the total vapor pressure (in bars) of
the mixture when XA = 0.36.
(b) Assuming that the vapor is an ideal gas, what are the mole fractions of each component
in the vapor phase?

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