Question
In: Chemistry
At 365 K, pure toluene and hexane have vapor pressures of 5.82 x 104 Pa and...
At 365 K, pure toluene and hexane have vapor pressures of 5.82 x 104 Pa and 1.99 x 105 Pa, respectively.
a.) Calculate the mole fraction of hexane in the liquid mixture that boils at 365 K at a pressure of 1140 Torr.
b.) Calculate the mole fraction of hexane in the vapor that is in equilibrium with the liquid of part (a).
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
At 365 K, pure toluene and hexane have vapor pressures of 5.82*104 Pa and 1.99*105 Pa,...
At 365 K, pure toluene and hexane have vapor pressures of
5.82*104 Pa and 1.99*105 Pa,
respectively.
a. Calculate the mole fraction of hexane in the liquid mixture
that boils at 365 K at a pressure of 1140 Torr.
b. Calculate the mole fraction of hexane in the vapor that is in
equilibrium with the liquid of part (a)
Compare the Peng-Robinson vapor pressures to the experimental vapor pressures (respresented by Antoines constants) for n-Hexane
Compare the Peng-Robinson vapor pressures to the experimental
vapor pressures (respresented by Antoines constants) for
n-Hexane
Suppose you have been given the task of distilling a mixture of hexane + toluene. Pure...
Suppose you have been given the task of distilling a mixture of
hexane + toluene. Pure hexane has a refractive index of 1.375 and
pure toluene has a refactive index of 1.497. You collect a
distillate sample which has a refractive index of 1.441. Assuming
that the refractive index of the hexane + toluene mixture varies
linearly with mole fraction, what is the mole fraction of hexane in
your sample?
Calculate the equilibrium vapor phase composition of a liquid hexane–water mixture at 50 °C, assuming that hexane and water are completely immiscible. The vapor pressures of the pure components can be described by the Antoine equation:
Calculate the equilibrium vapor phase composition of a liquid hexane–water mixture at 50 °C, assuming that hexane and water are completely immiscible. The vapor pressures of the pure components can be described by the Antoine equation:
Compounds A and B have the following vapor pressures: 150oF: PA=600mmHg PB=500mmHg 200oF: PA=1000mmHgPB=950mmHg Assume that...
Compounds A and B have the following vapor pressures:
150oF: PA=600mmHg
PB=500mmHg
200oF:
PA=1000mmHgPB=950mmHg
Assume that these compounds form
ideal solution, calculate the vapor mole fraction of A and the
total pressure VLE when the liquid mole fraction of A is 0.50 and
the temperature 175oF.
The table below shows the vapor pressures, VP (kPa) for n‐hexane and n‐octane. Vapor Pressure (kPa)...
The table below shows the vapor pressures, VP (kPa) for n‐hexane
and n‐octane.
Vapor Pressure (kPa)
Vapor Pressure (kPa)
Temp (C)
n‐Hexane
n‐Octane
68.7
101
13
79.4
137
23
93.3
197
37
107.2
284
58
121.1
400
87
125.7
456
101
Source. J. B. Maxwell, Data Book on Hydrocarbons
(a) Assuming ideal solution and gas behavior, construct Txy and
xy diagrams for this system at
101 kPa.
(b) When a liquid containing 30 mol% n‐Hexane is heated, what is
the...
The vapor pressures of benzene and toluene at 95◦C are, respectively, 155.7 kPa and 63.3 kPa....
The vapor pressures of benzene and toluene at 95◦C are,
respectively, 155.7 kPa and 63.3 kPa. A gaseous mixture consisting
of 50 moles of benzene and 50 moles of toluene was cooled to 95◦C.
As a result of the cooling, some of the benzene and toluene
condensed. If the total pressure above the condensate was 101.3
kPa, calculate:
(a) the mole fraction of benzene in the condensate
(liquid).
(b) the mole fraction of benzene in the gas phase after cooling....
2- The vapor pressure of pure benzene (M=78.12 amu) and pure toluene (M=92.14 amu) at 298.15...
2- The vapor pressure of pure benzene (M=78.12 amu) and pure
toluene (M=92.14 amu) at 298.15 K are 103.1 Torr and 28.4 Torr,
respectively. A solution is prepared from a mixture of 100.0 g
each, under 1.000 atm pressure and equilibrium is established. i-
What would be the composition of the vapor assuming the solution to
be an ideal one? (5 pts) ii- What are the changes in the chemical
potentials of the liquid and gaseous benzene and toluene upon...
Benzene and toluene form an ideal solution. At 25 oC, the vapor pressure of pure benzene...
Benzene and toluene form an ideal solution. At 25 oC, the vapor
pressure of pure benzene is 100 torr, and the vapor pressure of
pure toluene is 30.0 torr. A solution is prepared of 1.0 mol
benzene and 2.0 mol toluene. Some of the solution evaporates in a
closed system. What is the mole fraction of benzene in the
vapor?
A. 0.33
B. 0.43
C. 0.53
D. 0.63
E. 0.73
Pure stoichiometric ZnO is heated to 1400 K in an evacuated chamber of a vapor deposition...
Pure stoichiometric ZnO is heated to 1400 K in an evacuated
chamber of a vapor deposition furnace. What is the partial pressure
of Zn and O2 generated by the thermal decomposition of ZnO
Information you may find useful AC no at 1400K = -183 kJ/mol
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