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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 4
36.
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent.
0.25
0.5
0.75
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants)
(atm)Δx, when Δx is negative
(atm)Δx, when Δx is positive
Dimensionless, when Δx = 0
(atm)Δx2, when Δx > 0
Answer: Option
Explanation:
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38.
Pick out the correct statement.
The available energy in an isolated system for all irreversible (real) processes decreases.
The efficiency of a Carnot engine increases, if the sink temperature is decreased.
The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy.
all (a), (b) and (c)
Answer: Option
Explanation:
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39.
Partial molal quantities are important in the study of
ideal gases
ideal solutions
non-ideal mixtures
a pure component
Answer: Option
Explanation:
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40.
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is
2
0
1
3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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