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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 1
41.
Equilibrium constant decreases as the temperature
increases, for an exothermic reaction.
decreases, for an exothermic reaction.
increases, for an endothermic reaction.
none of these.
Answer: Option
Explanation:
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42.
The expression, , gives the free energy change
with pressure changes at constant temperature.
under reversible isothermal volume change.
during heating of an ideal gas.
during cooling of an ideal gas.
Answer: Option
Explanation:
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43.
All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
CO2
H2
O2
N2
Answer: Option
Explanation:
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44.
Compressibility factor for almost all the gases are approximately same at the same
pressure and temperature.
reduced pressure and reduced temperature.
critical pressure and critical temperature.
none of these.
Answer: Option
Explanation:
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45.
Pick out the wrong statement.
Activity co-efficient is dimensionless.
In case of an ideal gas, the fagacity is equal to its pressure.
In a mixture of ideal gases, the fugacity of a component is equal to the partial pressure of the component.
The fugacity co-efficient is zero for an ideal gas.
Answer: Option
Explanation:
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