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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 10
41.
The minimum number of phases that can exist in a system is
0
1
2
3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Enthalpy changes over a constant pressure path are always zero for __________ gas.
any
a perfect
an easily liquefiable
a real
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
'The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture". This is
the statement as per Gibbs-Helmholtz
called Lewis-Randall rule
Henry's law
none of these
Answer: Option
Explanation:
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44.
__________ does not change during phase transformation processes like sublimation, melting & vaporisation.
Entropy
Gibbs free energy
Internal energy
all (a), (b) & (c)
Answer: Option
Explanation:
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45.
Which one is true for a throttling process ?
A gas may have more than one inversion temperatures.
The inversion temperature is different for different gases.
The inversion temperature is same for all gases.
The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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