As per Gilliland's equation, the diffusivity is
directly proportional to 'T1.5'.
inversely proportional to 'P'.
dependent on the molecular volume & molecular weight of components.
all 'a', 'b' & 'c'.
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Phosphoric acid is produced in wet process from phosphate rock and
The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm mole, its fugacity at 300 K would be
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium