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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Entropy change for an irreversible isolated system is

∞
> 0
< 0

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Chemical Engineering Thermodynamics
Entropy, which is a measure of the disorder of a system is

All of these
Independent of pressure
Zero at absolute zero temperature for a perfect crystalline substance
Independent of temperature

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Chemical Engineering Thermodynamics
PVy = constant, holds good for an isentropic process, which is

Reversible and adiabatic
Isothermal and irreversible
Adiabatic and irreversible
Reversible and isothermal

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Chemical Engineering Thermodynamics
In a turbine, the fluid expands almost

None of these
Isothermally
Adiabatically
Isobarically

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Chemical Engineering Thermodynamics
If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the

Van Laar equation
Nernst Heat Theorem
Clayperon-Claussius equation
Maxwell's equation

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Chemical Engineering Thermodynamics
Helmholtz free energy (A) is defined as

A = H + TS
A = H - TS
A = E - TS
None of these

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