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chemical engineering chemical engineering thermodynamics
1. 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
(A): > 1
(B): > 2
(C): < 1
(D): < 3
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