Unformatted text preview: under a 1000 atm pressure of argon. 4. The enthalpy of fusion of mercury is 2.292 kJ/mol and it freezes at 234.3 K under 1 atm pressure. The change in its volume is 0.517 cm 3 /mol upon freezing. At what temperature will the bottom of a 10 m high column of mercury (density 13.6 g/cm 3 ) freeze? 5. Naphthalene, C 10 H 8 , melts at 80.2 o C. The vapor pressure of the liquid is 1.3 kPa at 85.8 o C and 5.3 kPa at 119.3 o C. Use the Clausius-Clapeyron equation to find (a) the enthalpy of vaporization (b) the boiling temperature, T b and (c) the enthalpy of vaporization at T b . 6. 8.43...
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- Fall '09
- Goux
- Physical chemistry, Thermodynamics, pH, Vapor pressure, OC, -3 oC weather
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