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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 5
26.
In an ideal refrigeration cycle, the change in internal energy of the fluid is
+ve
-ve
0
either of the above three ; depends on the nature of refrigerant.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Free energy
decreases in all spontaneous (or irreversible) processes.
change during a spontaneous process has a negative value.
remains unchanged in reversible processes carried at constant temperature and pressure.
all (a), (b) and (c).
Answer: Option
Explanation:
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28.
"If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them". This is __________ law.
Hess's
Kirchoff's
Lavoisier and Laplace
none of these
Answer: Option
Explanation:
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29.
Fugacity is a measure of the
escaping tendencies of the same substance in different phases of a system.
relative volatility of a mixture of two miscible liquids.
behaviour of ideal gases.
none of these.
Answer: Option
Explanation:
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30.
The quantitative effect of temperature on chemical equilibrium is given by the
Vant-Hoff equation.
Le-Chatelier's principle.
Arhenius equation.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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