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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

92
142
192
72

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Chemical Engineering Thermodynamics
dW and dq are not the exact differential, because q and W are

Intensive properties
State functions
Extensive properties
Path functions

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Chemical Engineering Thermodynamics
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

U and S both decreases
Its internal energy (U) decreases and its entropy (S) increases
U decreases but S is constant
U is constant but S decreases

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Chemical Engineering Thermodynamics
In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = - 42 kcal; the forward reaction will be favoured by

High pressure
Both A and B
Low temperature
Neither A nor B

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Chemical Engineering Thermodynamics
Internal energy of an ideal gas

Increases with increase in pressure
Is independent of temperature
None of these
Decreases with increase in temperature

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Chemical Engineering Thermodynamics
The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

T₂/R1
T₁/(T₁-T₂)
T₁/T₂
T₂/(T₁-T₂)

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