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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal.

55.2
-30.2
-19.4
-55.2

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Chemical Engineering Thermodynamics
Which of the following non-flow reversible compression processes require maximum work?

Isothermal process
All of these
Isobaric process
Adiabatic process

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Chemical Engineering Thermodynamics
Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)?

Methyl chloride
Freon
Ammonia
Liquid sulphur dioxide

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Chemical Engineering Thermodynamics
As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches

Infinity
Zero
Unity
An indeterminate value

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Chemical Engineering Thermodynamics
In an ideal gas mixture, fugacity of a species is equal to its

Partial pressure
Chemical potential
None of these
Vapor pressure

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Chemical Engineering Thermodynamics
In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when

Cp > Cv
Cp = Cv
Cp ≥ Cv
Cp < Cv

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