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

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

3

1

2

3

1

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Chemical Engineering Thermodynamics
4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

4 J

8 J

∞

Zero

4 J

8 J

∞

Zero

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Chemical Engineering Thermodynamics
For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

∫Cv.dT

Cv.dT

∫Cp.dT

Cp.dT

∫Cv.dT

Cv.dT

∫Cp.dT

Cp.dT

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Chemical Engineering Thermodynamics
Degress of freedom at triple point will be

3

2

1

Zero

3

2

1

Zero

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Chemical Engineering Thermodynamics
The third law of thermodynamics states that the

Heat transfer from low temperature to high temperature source is not possible without external work

Heat capacity of a crystalline solid is zero at absolute zero temperature

Gases having same reduced properties behave similarly

None of these

Heat transfer from low temperature to high temperature source is not possible without external work

Heat capacity of a crystalline solid is zero at absolute zero temperature

Gases having same reduced properties behave similarly

None of these

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Chemical Engineering Thermodynamics
Which of the following processes can not be made reversible even under ideal condition of operation?

Compression of air in a compressor

All of these

Free expansion of a gas

Expansion of steam in a turbine

Compression of air in a compressor

All of these

Free expansion of a gas

Expansion of steam in a turbine

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Chemical Engineering Thermodynamics

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

Chemical Engineering Thermodynamics 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

Chemical Engineering Thermodynamics For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

Chemical Engineering Thermodynamics Degress of freedom at triple point will be

Chemical Engineering Thermodynamics The third law of thermodynamics states that the

Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation?

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

Chemical Engineering Thermodynamics
4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

Chemical Engineering Thermodynamics
For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

Chemical Engineering Thermodynamics
Degress of freedom at triple point will be

Chemical Engineering Thermodynamics
The third law of thermodynamics states that the

Chemical Engineering Thermodynamics
Which of the following processes can not be made reversible even under ideal condition of operation?