Octane has a vapor pressure of 40. torr at 45.1 degrees, Ask an Expert

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Octane has a vapor pressure of 40. torr at 45.1 degrees celcius and 400. torr at 104.0 degrees celcius. What is its heat of vaporization (R=8.214 J/K mol)? Please provide an explanation. A. 39.0 kJ/mol B. 46.0 kJ/mol C. 590 kJ/mol D. 710 kJ/mol E. None of these is correct

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