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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
A solid is transformed into vapour without going to the liquid phase at

Triple point
Always
Below triple point
Boiling point

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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)

√(2KT/m)
√(6KT/m)
3KT/m
√(3KT/m)

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Chemical Engineering Thermodynamics
Entropy, which is a measure of the disorder of a system is

All of these
Zero at absolute zero temperature for a perfect crystalline substance
Independent of pressure
Independent of temperature

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Chemical Engineering Thermodynamics
The number of degrees of freedom at the triple point of water is

1
3
Zero
2

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Chemical Engineering Thermodynamics
Work done is a

State description of a system
Property of the system
Point function
Path function

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Chemical Engineering Thermodynamics
The expression, nCv(T₂ - T₁), is for the __________ of an ideal gas.

Co-efficient of thermal expansion
Compressibility
None of these
Work done under adiabatic condition

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