Q. The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is

View solution

Q. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C.

View solution

Q. Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the

View solution

Q. Entropy is a measure of the __________ of a system.

View solution

Q. A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

View solution

Q. Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

View solution

Q. For a spontaneous process, free energy

View solution

Q. Equilibrium constant decreases as the temperature

View solution

Q. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except

View solution

Q. Compressibility factor for almost all the gases are approximately same at the same

View solution

Q. Pick out the wrong statement.

View solution

Q. "At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the

View solution

Q. During Joule-Thomson expansion of gases

View solution

Q. The accentric factor of a materical, 'ω', is defined as ω = -log₁₀(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always

View solution

Q. Degress of freedom at triple point will be

View solution

Q. "Law of corresponding states" says that

View solution

Q. Linde gas liquefaction process employs cooling

View solution

Q. Pick out the wrong statement pertaining to the decomposition of PCl₅ represented by,

PCl₅ ↔ PCl₃ + Cl₂

Degree of dissociation of PCl₅ will

View solution

Q. Joule-Thomson experiment is

View solution

Q. Boyle's law for gases states that

View solution