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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Specific heat of a gas for a reversible adiabatic process is

Infinity
Zero
None of these
Negative

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Chemical Engineering Thermodynamics
For an isothermal reversible compression of an ideal gas

Only ΔE = 0
DQ = dE
Only ΔH =0
ΔE = ΔH = 0

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Chemical Engineering Thermodynamics
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

4.238
1.9398
1.572
3.389

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Chemical Engineering Thermodynamics
When dilute aqueous solutions of two salts are mixed, the process is associated with

No change in temperature
Increase in temperature
Decrease in temperature
Change in temperature which is a function of composition

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Chemical Engineering Thermodynamics
Linde gas liquefaction process employs cooling

By throttling
None of these
By expansion in an engine
At constant pressure

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Chemical Engineering Thermodynamics
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

1
3
2

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