Naphthalene C10H8 melts at 80°C, its vapor pressure is 10 torr at 85.8°C and 40 torr at 119.3°C, and the vapor pressure of solid 1 torr at 52.6 °C. a) Calculate ΔHvap and normal Teb b) Assuming that the triple point temperature and the melting temperature are the same same, calculate ΔHsub and ΔHfus c) What must the temperature be if the vapor pressure of the solid is to be less than 10-5 tower?
Naphthalene C10H8 melts at 80°C, its vapor pressure is 10 torr at 85.8°C and 40 torr at 119.3°C, and the vapor pressure of solid 1 torr at 52.6 °C. a) Calculate ΔHvap and normal Teb b) Assuming that the triple point temperature and the melting temperature are the same same, calculate ΔHsub and ΔHfus c) What must the temperature be if the vapor pressure of the solid is to be less than 10-5 tower?
Chapter87: Steam Distillation
Section: Chapter Questions
Problem 2P
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Question
Naphthalene C10H8 melts at 80°C, its vapor pressure is 10 torr at 85.8°C and 40 torr at 119.3°C, and the
vapor pressure of solid 1 torr at 52.6 °C.
a) Calculate ΔHvap and normal Teb
b) Assuming that the triple point temperature and the melting temperature are the same
same, calculate ΔHsub and ΔHfus
c) What must the temperature be if the vapor pressure of the solid is to be less than 10-5
tower?
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