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Chemical Engineering Thermodynamics

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

Boiling point
Triple point
Always
Below triple point

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Chemical Engineering Thermodynamics
For the reversible exothermic reaction, N₂ + 3H₂ ⇋ 2NH₃, increase of pressure would

Give higher yield of NH₃
Both B and C
Shift the equilibrium towards right
Neither A nor B

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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
√(2KT/m)
√(3KT/m)
√(6KT/m)

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Chemical Engineering Thermodynamics
Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K )

Tb/λb
√(λb/Tb)
λb/Tb
√(Tb/λb)

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Chemical Engineering Thermodynamics
If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero

Both of the listed here
Enthalpy
Volume
None of thr listed here

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Chemical Engineering Thermodynamics
When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the

Gibbs-Helmholtz equation
Gibbs-Duhem equation
Joule-Thomson effect
Third law of thermodynamics

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