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(a)
Interpretation:
Prove that the relative volatilities of species A and B is equal to the vapor ratio of vapor pressure at the system temperature.
Concept introduction:
The Raoult’s law can be written as,
Where, x and y represent mole fractions of component in liquid and vapor, P is total pressure and P* is the vapor pressure.
(b)
Interpretation:
Determine the relative volatility of styrene to ethylbenzene and relative volatility of benzene to ethylbenzene. Which pair is difficult to separate by distillation.
Concept introduction:
The Raoult’s law can be written as,
Where, x and y represent mole fractions of component in liquid and vapor, P is total pressure and P* is the vapor pressure.
(c)
Interpretation:
Prove the given expression is valid.
Concept introduction:
The Raoult’s law can be written as,
Where, x and y represent mole fractions of component in liquid and vapor, P is total pressure and P* is the vapor pressure.
(d)
Interpretation:
Estimate the mole fraction of benzene in the vapor phase in equilibrium with liquids having given benzene mole fractions. Calculate the total system pressure.
Concept introduction:
The Raoult’s law can be written as,
Where, x and y represent mole fractions of component in liquid and vapor, P is total pressure and P* is the vapor pressure.
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Chapter 6 Solutions
Elementary Principles of Chemical Processes, Binder Ready Version
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