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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

Negative
Zero
One
Infinity

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Chemical Engineering Thermodynamics
Heat of reaction is

Dependent on pressure only
Dependent on temperature only
Independent of temperature changes
Dependent on both pressure and temperature

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Chemical Engineering Thermodynamics
In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.

Isobaric
Isothermal
Polytropic
Adiabatic

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Chemical Engineering Thermodynamics
Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature.

Decreases logarithmically
Remains constant
Increases
Decreases

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Chemical Engineering Thermodynamics
In a reversible process

Tds = dE + dW
DW - dE = Tds
DE - dW = Tds
Tds - dW + dE >0

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Chemical Engineering Thermodynamics
The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same.

Temperature
Kinematic viscosity
Work
None of these

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