20. Solving a chemistry problem

20. Solving a chemistry problem

9. To what value must the pressure be reduced so that the boiling point of diethylaniline drops to 463 K, if under normal conditions it boils at 489 K, and the average heat of evaporation is 48.5 kJ/mol?
Possible answers:
a) 322 mm Hg. b) 78344 Pa C) 0.768 atm D) 0.512 atm
(The solution is described in detail)

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