What is the correct answer?


The acentric 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 acentric factor is always

A. > 2

B. < 1

C. > 1

D. < 3

Correct Answer :

B. < 1

Related Questions

Critical solution temperature (or the consolute temperature) for partially… Gibbs free energy at constant pressure and temperature under equilibrium… Which of the following is not correct for a reversible adiabatic process? If the internal energy of an ideal gas decreases by the same amount as… Specific/molar Gibbs free energy for a pure substance does not change… If two gases have same reduced temperature and reduced pressure, then… The melting point of paraffin wax (which contracts on solidification)… In Joule-Thomson porous plug experiment, the Pick out the wrong statement. The equation Tds = dE - PdV applies to The equation relating E, P, V and T which is true for all substances under… At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole. The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH =… Vapour which is at a pressure smaller than the saturation pressure for… Which of the following units is not present in both the vapor compression… The quantitative effect of temperature on chemical equilibrium is given… The difference between isothermal compressibility and adiabatic compressibility… When liquid and vapour phase of multi-component system are in equilibrium… In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation… Which of the following is not an intensive property? For spontaneous changes in an isolated system (S = entropy) During Joule-Thomson expansion of gases Lenz's law results from the law of conservation of Which of the following is an undesirable characteristic of a refrigerant? The adiabatic throttling process of a perfect gas is one of constant enthalpy Ideal gas law is applicable at Pick out the correct statement. Which one is true for a throttling process? Gibbs free energy per mole for a pure substance is equal to the Gases are cooled in Joule-Thomson expansion, when it is __________ inversion…