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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 3
31.
When dilute aqueous solutions of two salts are mixed, the process is associated with
decrease in temperature.
increase in temperature.
no change in temperature.
change in temperature which is a function of composition.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Pick out the correct statement.
Like internal energy and enthalphy, the absolute value of standard entropy for elementary substances is zero.
Melting of ice involves increase in enthalpy and a decrease in randomness.
The internal energy of an ideal gas depends only on its pressure.
Maximum work is done under reversible conditions.
Answer: Option
Explanation:
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33.
Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
reaction mechanism
calculation of rates
energy transformation from one form to the another
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
An isolated system can exchange __________ with its surroundings.
matter
energy
neither matter nor energy
both matter and energy
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Requisites of a reversible process is that the
system and surroundings pressure be equal.
friction in the system should be absent.
system and surroundings temperature be equal.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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