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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process.

Isobaric
Polytropic
Isometric
Isentropic

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Chemical Engineering Thermodynamics
At the critical point of a substance

There is no distinction between liquid and vapour phases
Liquid and vapour have the same density
All of these
The surface tension vanishes

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Chemical Engineering Thermodynamics
(∂E/∂T)V is the mathematical expression for

Free energy change
None of these
CV
Enthalpy change

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Chemical Engineering Thermodynamics
Kopp's rule is used to calculate the heat capacity of

Solids
Liquids
All of these
Gases

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Chemical Engineering Thermodynamics
The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

A closed system with changes in composition
An open system with changes in composition
An open system of constant composition
A closed system of constant composition

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Chemical Engineering Thermodynamics
Refrigerants commonly used for domestic refrigerators are

Ethyl chloride or methyle chloride
Freon-12
Propane
NH₃ or CO₂

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