Clausius - Clayperon equation is applicable to __________ equilibrium processes.

A Solid-vapor
B Solid-liquid
C Liquid-vapor
D All of the above

Correct Answer: All of the above

clausis-claperyon equation can be applied for any equilibrium system consisting of two phases the two phases can be solid and liquid during melting or solid and vapor during sublimation and the relation is given as.
$$lnP = \frac{{ - \Delta {H_{phase\,\,change}}}}{{RT}} + C$$
Bissoy MCQ
#Chemical Engineering #Chemical Engineering Thermodynamics

Related Questions

Claussius-Clayperon equation gives accurate result, when the
A Vapour pressure is relatively low and the temperature does not vary over wide limits
B Vapour obeys the ideal gas law and the latent heat of vaporisation is constant
C Volume in the liquid state is negligible compared with that in the vapour state
D All of the above
Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the
A Vapor follows the ideal gas law
B Molal latent heat of vaporisation is constant within the limited temperature range
C Volume in the liquid state is negligible compared with that in the vapor state
D All of the above
When a system is in equilibrium for all possible processes, the differential or finite change of entropy is
A [

A.

B. > 0

B = 0
C None of these
When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called
A Zeroth law of thermodynamics
B First law of thermodynamics
C Second law of thermodynamics
D Kelvin Planck's law
In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
A Concentrations
B Chemical potentials
C Activity co-efficients
D Mass transfer co-efficients
When equilibrium price rises but equilibrium quantity remains unchanged, the cause is
A Supply and demand both increase equally
B Supply and demand both decrease equally
C Supply decreases and demand increases
D Supply increases and demand decreases
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as
A Thermodynamic law
B Thermodynamic process
C Thermodynamic cycle
D None of these
Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be
A Same
B Doubled
C Halved
D One fourth of its original value
The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are
A 1
B 2
C 3
D 0
When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the
A Le-Chatelier principle
B Kopp's rule
C Law of corresponding state
D Arrehenius hypothesis

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