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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 6
16.
Free energy change of mixing two liquid substances is a function of the
concentration of the constituents only.
quantities of the constituents only.
temperature only.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Pick out the wrong statement.
System (of partially miscible liquid pairs), in which the mutual solubility increases with rise in temperature, are said to possess an upper consolute temperature.
Systems, in which the mutual solubility increases with decrease in temperature, are said to possess lower consolute temperature.
Nicotine-water system shows both an upper as well as a lower consolute temperature, implying that they are partially miscible between these two limiting temperatures.
none of these
Answer: Option
Explanation:
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18.
The total change in the enthalpy of a system is independent of the
number of intermediate chemical reactions involved.
pressure and temperature.
state of combination and aggregation in the beginning and at the end of the reaction.
none of these.
Answer: Option
Explanation:
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19.
Number of phases in a colloidal system are
1
2
3
4
Answer: Option
Explanation:
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20.
Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies that X is
slower than Y
faster than Y
three times slower than Y
three times faster than Y
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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