Chemical Engineering Thermodynamics MCQ Questions & Answers | Chemical Engineering

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1.
Sublimation temperature of dry ice (solid CO₂) is __________ °C.

A. -273

B. 0

C. -78

D. 5

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2.
The equation relating E, P, V and T which is true for all substanes under all conditions is given by $${\left( {\frac{{\partial {\text{E}}}}{{\partial {\text{V}}}}} \right)_{\text{T}}} = {\text{T}} \cdot {\left( {\frac{{\partial {\text{P}}}}{{\partial {\text{T}}}}} \right)_{\text{H}}} - {\text{P}}{\text{.}}$$ This equation is called the

A. Maxwell equation

B. Thermodynamic equation of state

C. Equation of state

D. Redlich-Kwong equation of state

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3.
Henry's law is closely obeyed by a gas, when its __________ is extremely high.

A. Pressure

B. Solubility

C. Temperature

D. None of these

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4.
If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero.

A. Enthalpy

B. Volume

C. Both A & B

D. Neither A nor B

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5.
The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃; ΔH = -22.4 kcal, is

A. Endothermic

B. Exothermic

C. Isothermal

D. Adiabatic

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