When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is

Chemical Engineering Thermodynamics
When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is

Same in both the phases

Replaced by chemical potential which is more in vapour phase

Chemical Engineering Thermodynamics
In an irreversible process

Tds - dE + dW< 0

DE - dW - Tds = 0

Tds = dE - dW = 0

Tds - dT + dW< 0

Tds - dE + dW< 0

DE - dW - Tds = 0

Tds = dE - dW = 0

Tds - dT + dW< 0

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Chemical Engineering Thermodynamics
Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

More than

Same as

Less than

Half

More than

Same as

Less than

Half

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Chemical Engineering Thermodynamics
A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of

Temperature and pressure only

Temperature, pressure and liquid composition xi only

Temperature, pressure, liquid composition xi and vapour composition yi

Temperature only

Temperature and pressure only

Temperature, pressure and liquid composition xi only

Temperature, pressure, liquid composition xi and vapour composition yi

Temperature only

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Chemical Engineering Thermodynamics
Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

Air cycle

Carnot cycle

Ordinary vapour compression cycle

Vapour compression with a reversible expansion engine

Air cycle

Carnot cycle

Ordinary vapour compression cycle

Vapour compression with a reversible expansion engine

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Chemical Engineering Thermodynamics
The total change in the enthalpy of a system is independent of the

None of these

Pressure and temperature

Number of intermediate chemical reactions involved

State of combination and aggregation in the beginning and at the end of the reaction

None of these

Pressure and temperature

Number of intermediate chemical reactions involved

State of combination and aggregation in the beginning and at the end of the reaction

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is

Chemical Engineering Thermodynamics In an irreversible process

Chemical Engineering Thermodynamics Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the

Chemical Engineering Thermodynamics
When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is

Chemical Engineering Thermodynamics
In an irreversible process

Chemical Engineering Thermodynamics
Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

Chemical Engineering Thermodynamics
Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

Chemical Engineering Thermodynamics
The total change in the enthalpy of a system is independent of the