The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

A . x₂²

Ax₂

Ax₁

Ax₁²

A . x₂²

Ax₂

Ax₁

Ax₁²

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Chemical Engineering Thermodynamics
Gibbs-Duhem equation

States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure

None of these

Applies only to binary systems

Finds no application in gas-liquid equilibria involved in distillation

States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure

None of these

Applies only to binary systems

Finds no application in gas-liquid equilibria involved in distillation

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Chemical Engineering Thermodynamics
Which of the following is a thermodynamic property of a system?

Mass

Entropy

Temperature

Concentration

Mass

Entropy

Temperature

Concentration

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Chemical Engineering Thermodynamics
The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is

Equal

Data insufficient, can't be predicted

More pronounced

Less pronounced

Equal

Data insufficient, can't be predicted

More pronounced

Less pronounced

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

Adiabatic

Isothermal

Isentropic

Polytropic

Adiabatic

Isothermal

Isentropic

Polytropic

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Chemical Engineering Thermodynamics
With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure

Remains same

Decreases linearly

Increases

Decreases

Remains same

Decreases linearly

Increases

Decreases

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Chemical Engineering Thermodynamics Gibbs-Duhem equation

Chemical Engineering Thermodynamics Which of the following is a thermodynamic property of a system?

Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is

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

Chemical Engineering Thermodynamics With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure

Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Chemical Engineering Thermodynamics
Gibbs-Duhem equation

Chemical Engineering Thermodynamics
Which of the following is a thermodynamic property of a system?

Chemical Engineering Thermodynamics
The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is

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

Chemical Engineering Thermodynamics
With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure