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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

2
3
1

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Chemical Engineering Thermodynamics
In jet refrigerators, the refrigerating fluid is practically always

Freon
Brine
Ammonia
Water

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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 or decrease ; depends on the particular reaction
Decrease
Increase

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Chemical Engineering Thermodynamics
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature)

√(3KT/m)
3KT/m
√(2KT/m)
√(6KT/m)

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

1
3
0
2

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Chemical Engineering Thermodynamics
For an ideal solution, the value of activity co-efficient is

1
> 1
< 1

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MORE MCQ ON Chemical Engineering Thermodynamics

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