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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Work done may be calculated by the expression ∫p dA for __________ processes.

Both A and B
Non-flow reversible
Adiabatic
Neither A nor B

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Chemical Engineering Thermodynamics
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

U decreases but S is constant
U and S both decreases
Its internal energy (U) decreases and its entropy (S) increases
U is constant but S decreases

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Chemical Engineering Thermodynamics
Throttling (Joule-Thomson effect) process is a constant __________ process.

None of these
Pressure
Enthalpy
Entropy

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Chemical Engineering Thermodynamics
Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

Different than
Greater than
Less than
The same

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Chemical Engineering Thermodynamics
The standard Gibbs free energy change of a reaction depends on the equilibrium

All of these
Composition
Temperature
Pressure

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Chemical Engineering Thermodynamics
When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is

Zero in both the phases
More in vapour phase
Same in both the phases
More in liquid phase

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