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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 5
46.
__________ equation predicts the activity co-efficient from experimental data.
Lewis-Randall
Margules
Van Laar
both(b)&(c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
As the temperature is lowered towards the absolute zero, the value of the quantity approaches
zero
unity
infinity
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
An ideal liquid refrigerant should
not have a subatmospheric vapour pressure at the temperature in the refrigerator coils.
not have unduly high vapour pressure at the condenser temperature.
both (a) and (b).
have low specific heat.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as
solubility increases as temperature increases.
solubility increases as temperature decreases.
solubility is independent of temperature.
solubility increases or decreases with temperature depending on the Gibbs free energy change of solution.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v2 3 m3 ) is max imum, when the value of 'n' is
0
1
y = 1.44
1.66
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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