Question: Riedel proposed a third corresponding-states parameter ac, related to the vapor-pressure curve by; For simple fluids, experiment shows that ac (( 5.8; for non-simple fluids,

Riedel proposed a third corresponding-states parameter ac, related to the vapor-pressure curve by;
For simple fluids, experiment shows that ac (( 5.8; for non-simple fluids, ac increases with increasing molecular complexity. How well does the Lee/Kcsler correlation for Prsat accommodate these observations?

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