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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.

-30.2
-55.2
-19.4
55.2

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Chemical Engineering Thermodynamics
In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process.

Polytropic
Isothermal
Isentropic
Adiabatic

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Chemical Engineering Thermodynamics
1/V (∂V/∂T)p is the mathematical expression

Co-efficient of thermal expansion
Specific heat at constant pressure (Cp)
Specific heat at constant volume (CV)
Joule-Thomson co-efficient

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Chemical Engineering Thermodynamics
In jet refrigerators, the refrigerating fluid is practically always

Water
Ammonia
Brine
Freon

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Chemical Engineering Thermodynamics
The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

RT lnK
-R lnK
T lnK
-RT lnK

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Chemical Engineering Thermodynamics
Throttling (Joule-Thomson effect) process is a constant __________ process.

Enthalpy
Pressure
None of these
Entropy

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