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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be

1
2
0
3

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Chemical Engineering Thermodynamics
Joule-Thomson co-efficient for a perfect gas is

Negative
Zero
None of these
Positive

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Chemical Engineering Thermodynamics
If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will

Remain unaltered
Increase
Decrease
Increase or decrease ; depends on the particular reaction

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Chemical Engineering Thermodynamics
Partial molar free energy of an element A in solution is same as its

Chemical potential
Fugacity
Activity co-efficient
Activity

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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

1
2
3

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Chemical Engineering Thermodynamics
Activity co-efficient is a measure of the

Departure of gas phase from idea] gas law
Departure from ideal solution behaviour
Vapour pressure of liquid
None of these

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