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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature)

√(6KT/m)
3KT/m
√(2KT/m)
√(3KT/m)

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Chemical Engineering Thermodynamics
A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

Negative
Zero
None of these
Positive

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Chemical Engineering Thermodynamics
In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process.

Isometric
Isentropic
Isobaric
Isothermal

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Chemical Engineering Thermodynamics
What happens in a reversible adiabatic expansion process?

Pressure is constant
Heating takes place
Temperature is constant
Cooling takes place

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Chemical Engineering Thermodynamics
Mollier diagram is a plot of

Entropy vs. enthalpy
Temperature vs. enthalpy
Temperature vs. enthalpy
Temperature vs. internal energy

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Chemical Engineering Thermodynamics
Entropy change of mixing two liquid substances depends upon the

Both A and B
Quantity (i.e. number of moles)
Molar concentration
Neither A nor B

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MORE MCQ ON Chemical Engineering Thermodynamics

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