a)
Total vapour pressure will be the sum of two vapour pressures,
We have obtained P in terms of xA
b)
In vapour phase, the mole fraction is given as,
Again putting (3) in the below equation,
we will obtain,
Thus, we have obtained P in terms of yA
(c)
From (2), we have,
For this part, for our convenience, we will use xA = x, PA* =a and PB* = b
Thus, we will have,
For maximum value, we will differentiate the above equation with respect to x and equate it to zero. Thus, we will have,
Assuming 'a' and 'b' are different, we have,
Now back substituting, xA = x, PA* =a and PB* = b, we have,
Thus, shown.
4. Two liquids, A and B, obey Raoul's law at all concentration. That is PA =...
4. Two liquids, A and B, obey Raoul's law at all concentration. That is PA = DAPA and PB = xpPg where r, is the mole fraction of species i in the liquid mixture, P. is the partial vapor pressure of species i in the mixture and P* is the vapor pressure of pure i. (a) (5 points) Express the total vapor pressure as a function of x. (b) (5 points Express the total vapor pressure as a function of...
Part A Two liquids, labeled A and B, form an ideal mixture with total vapor pressure P = 324.4 torr at a certain composition. At the same temperature, pure liquid A has a vapor pressure of 230 torr, while pure liquid B has a vapor pressure of 380 torr. What is the mole fraction XA of liquid A in this mixture. O 0.183 O 0.420 0.556 O 0.037 0.371
1) A and B are volatile liquids. In the figure below, the partial pressure of A and B in a liquid solution of these two substances (at T = 40.°C) is plotted against Xx, the mole fraction of A in the liquid solution. 400. P (tor) Pa 300 200 100 pa 0.0 0.2 0.4 0.8 1.0 0.6 mole fraction A a) Do A and B form an ideal liquid solution (yes/no)? [4 points) b) What is the value for paº,...
urgent 1) A and B are volatile liquids. In the figure below, the partial pressure of A and B in a liquid solution of these two substances (at T = 40.°C) is plotted against XX, the mole fraction of A in the liquid solution. 400 I p(tore) 300 200 100 0 0.0 0.2 04 0.8 1.0 0.6 mole fraction A a) Do A and B form an ideal liquid solution (yes/no)? [4 points) b) What is the value for psº,...
and B are volatile liquids. In the figure below, the partial pressure of A and B in a liquid solution of these two substances (at T = 40.°C) is plotted against XX, the mole fraction of A in the liquid solution 400. p(tor) Ps 300. 200. 100. 0. 0.0 0.2 04 1.0 0.6 0.8 mole fraction A a) Do A and B form an ideal liquid solution (yes/no)? [4 points) b) What is the value for peº, the vapor pressure...
At 350K, pure toluene and hexane have vapor pressures of 3.57 x 10^4 Pa and 1.30 x 10^5 Pa respectively. a) Calculate the mole fraction of hexane in the liquid mixture that boils at 350 K at a pressure of 1 atm. b) Calculate the mole fraction of hexane in the vapor that is in equilibrium with the liquid part (a). I have looked up the answer and can follow, but I do not understand how to determine the value...
Part 2. Short answer questions. 1) A and B are volatile liquids. In the figure below, the partial pressure of A and B in a liquid solution of these two substances (at T = 40.°C) is plotted against XA, the mole fraction of A in the liquid solution. 400 p(tor) 300 200. 100. PA 0. 0.0 0.2 0.4 0.8 1.0 0.6 mole fraction A a) Do A and B form an ideal liquid solution (yes/no)? [4 points] b) What is...
Part 2. Short answer questions. 1) A and B are volatile liquids. In the figure below, the partial pressure of A and B in a liquid solution of these two substances (at T = 40.°C) is plotted against XA, the mole fraction of A in the liquid solution. 400. P(tor) 300 200 100. 0. 0.0 0.2 0.4 0.8 0.6 mole fraction A 1.0 a) Do A and B form an ideal liquid solution (yes/no)? [4 points) b) What is the...
1) A and B are volatile liquids. In the figure below, the partial pressure of A and B in a liquid solution of these two substances (at T = 40. °C) is plotted against XA, the mole fraction of A in the liquid solution. 800 pitor) 600. 400 200. 0 0.0 0.2 1.0 04 0.6 0.8 mole fraction A a) Do A and B form an ideal liquid solution (yes/no)? [4 points) b) What is the value for psº, the...
Part 2. Short answer questions. 1) A and B are volatile liquids. In the figure below, the partial pressure of A and B in a liquid solution of these two substances (at T = 40.°C) is plotted against X, the mole fraction of A in the liquid solution. 400 p(tor) 300 200 100 0 0.0 0.2 0.8 1.0 04 06 mole fraction A a) Do A and B form an ideal liquid solution (yes/no)? [4 points) b) What is the...