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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when

N = 0
N = 1.66
N = 1
N = y = 1.4

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Chemical Engineering Thermodynamics
When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the

Law of corresponding state
Arrehenius hypothesis
Kopp's rule
Le-Chatelier principle

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Chemical Engineering Thermodynamics
The number of degrees of freedom for a mixture of ice and water (liquid) are

3
2
0
1

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Chemical Engineering Thermodynamics
Critical compressibility factor for all substances

None of these
Vary as square of the absolute pressure
Vary as square of the absolute temperature
Are more or less constant (vary from 0.2 to 0.3)

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Chemical Engineering Thermodynamics
A nozzle is a device, which

Increases both kinetic energy and pressure
Increases kinetic energy and decreases pressure
Reduces kinetic energy and increases pressure
Reduces both kinetic energy and pressure

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Chemical Engineering Thermodynamics
Forward reaction will be favoured for the exothermic reaction, represented by CO + H₂O ⇋ CO₂ + H₂, by

High temperature and low pressure
Low temperature and high pressure
High temperature and high pressure
Low temperature and low pressure

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