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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope?

2
3
1

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Chemical Engineering Thermodynamics
For an ideal gas, the internal energy depends upon its __________ only.

Pressure
Molecular size
Temperature
Volume

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Chemical Engineering Thermodynamics
Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are

Same at the same reduced temperature
Always greater than one
Both B & C
Same at the same reduced pressure

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Chemical Engineering Thermodynamics
The minimum number of phases that can exist in a system is

1
3
0
2

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Chemical Engineering Thermodynamics
"The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture". This is

Called Lewis-Randall rule
Henry's law
The statement as per Gibbs-Helmholtz
None of these

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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

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

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