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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance.

Simultaneous pressure & temperature change
Both B and C
Heating
Cooling

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Chemical Engineering Thermodynamics
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.

None of these
Gibbs-Duhem
Clayperon
Maxwell's

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Chemical Engineering Thermodynamics
In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.

Isothermal
None of these
Reversible
Adiabatic

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Chemical Engineering Thermodynamics
If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in

Enthalpy
Both A & B
Neither A nor B
Volume

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Chemical Engineering Thermodynamics
In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂?

-94 kcal
Zero
< - 94 kcal
> -94 kcal

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Chemical Engineering Thermodynamics
A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.

Saturated
None of these
Subcooled
Non-solidifiable

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