Question

In: Physics

A. There is a beaker of benzene and one of toluene. Is the entropy higher for...

A. There is a beaker of benzene and one of toluene. Is the entropy higher for two individual beakers or higher if they are mixed together and why?

B. If the mixing the two substances together, what mole fraction of each maximizes the entropy? Explain reason and then show mathematically.

Solutions

Expert Solution

genius_generous answered 2 years ago
Next > < Previous

Related Solutions

An ideal benzene toluene mixture contains 6 moles of benzene and 4 moles of toluene at...
An ideal benzene toluene mixture contains 6 moles of benzene and 4 moles of toluene at 25 ° C. The saturated vapor pressure of pure benzene at 25 ° C is 96 Torr, the saturated vapor pressure of pure toluene is 29 Torr. Initially, the mixture at 760 Torr pressure is only liquid. The total pressure is then slowly reduced to a pressure of 60 Torr. Calculate the composition of liquid phase and vapor phase, and calculate liquid and vapor...
An ideal benzene toluene mixture contains 6 moles of benzene and 4 moles of toluene at...
An ideal benzene toluene mixture contains 6 moles of benzene and 4 moles of toluene at 25 ° C. The saturation steam pressure of pure benzene at 25 ° C is 96 Torr, the saturation steam pressure of pure toluene is 29 Torr. Initially, the mixture at 760 Torr pressure is only liquid. The total pressure is then slowly reduced to a pressure of 60 Torr. Calculate the composition of liquid phase and vapor phase, and liquid and vapor mole...
In the hydrodealkylation of toluene to produce benzene, a stream of toluene is mixed with a...
In the hydrodealkylation of toluene to produce benzene, a stream of toluene is mixed with a recycle stream and enters a reactor along with a stream of pure hydrogen. The reaction products at 530°C enter a condenser where they are cooled to 45.0°C. A vapor stream containing 0.55 mol CH4/mol leaves the process, and a liquid stream containing 0.75 mol benzene/mol and 0.25 mol toluene/mol enters a distillation column. The distillate of the column leaves the process at 800.0 mol/hr...
A solution of benzene (C6H6) and toluene (C7H8) is 25.0 % benzene by mass. The vapor...
A solution of benzene (C6H6) and toluene (C7H8) is 25.0 % benzene by mass. The vapor pressures of pure benzene and pure toluene at 25∘C are 94.2 and 28.4 torr, respectively. 1.)Assuming ideal behavior, calculate the vapor pressure of benzene in the mixture. Express the pressure to three significant figures and include the appropriate units. 2.)Assuming ideal behavior, calculate the vapor pressure of toluene in the mixture.
A toluene solution is blended with 25% mass of benzene. The vapor pressure of benzene and...
A toluene solution is blended with 25% mass of benzene. The vapor pressure of benzene and toluene at 25'C are 94.2 torr and 28.4 torr respectively. (a) Calculate the vapor pressure of each component, (b) total pressure of the above solution, and (c) the composition of the vapor in mass percent.
A solution of benzene and toluene is at equilibrium with vapour phase at 1 atm. Benzene...
A solution of benzene and toluene is at equilibrium with vapour phase at 1 atm. Benzene and toluene form ideal solution. The vapour phase, which is at equilibrium with liquid (solution) is ideal gas. Activity of benzene in solution is 0.3. a) Determine the temperature of the system at equilibrium. b) Determine the vapour pressure of benzene at the system’s temperature.
one mole of a liquid solution containing 60.0 mole% benzene and the remainder toluene enters a...
one mole of a liquid solution containing 60.0 mole% benzene and the remainder toluene enters a flash column.The liquid product stream contains 47.0 mole% benzene and the vapor product stream contains 69.0 mole % benzene.The temperature of both output stream is at 93oC.If the operation is adiabatic,what is the temperature of the input stream that enters the flash column?
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
A benzene/toluene liquid mixture consisting of 31 mole% benzene is fed to a reboiler, where 1250...
A benzene/toluene liquid mixture consisting of 31 mole% benzene is fed to a reboiler, where 1250 KW of heat is provided causing the mixture to partially vaporize. The vapor output has a flowrate of 80 kmol/hr and consists of 40 mole% benzene. The liquid output has a flowrate of 100 kmol/hr. The two output streams are in equilibrium and exit the reboiler at 130 oC. Determine the temperature of the feed stream. Neglect the effect of pressure and consider the...
A mixture of benzene and toluene is in a tank whose pressure is maintained at 2.0...
A mixture of benzene and toluene is in a tank whose pressure is maintained at 2.0 atm. Observation through a sight glass on the vessel shows that half of the tank volume is occupied by liquid. Analysis shows that the liquid contains 50.0 wt% benzene and the balance toluene. Raoult's law applies at all composition s, and the density of the liquid is essentially independent of temperature. Estimate (a) the temperature and (b) the fraction of the system mass in...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT