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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 6
21.
Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour.
superheated
desuperheated
non-condensable
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)
μ° + RT ln f
μ°+ R lnf
μ° + T lnf
μ° + R/T lnf
Answer: Option
Explanation:
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23.
The kinetic energy of gas molecule is zero at
0°C
273°C
100°C
-273°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following is not an intensive property ?
Volume
Density
Temperature
Pressure
Answer: Option
Explanation:
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25.
The necessary and sufficient condition for equilibrium between two phases is
the concentration of each component should be same in the two phases.
the temperature of each phase should be same.
the pressure should be same in the two phases.
the chemical potential of each component should be same in the two phases.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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