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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is

One
Zero
Infinity
Negative

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

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

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

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

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Chemical Engineering Thermodynamics
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

2
1
3

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

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

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Chemical Engineering Thermodynamics
In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.

Adiabatic
Reversible
Isothermal
None of these

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