An experimental plot of ln(Pvap) vs. 1/T is obtained in lab for an unknown liquid. The slope of the best-fit line for the graph is -5125 K. What is the enthalpy of vaporization for the liquid in kJ/mol?

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Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.55QP: What is U when 1.00 mol of liquid water vaporizes at 100C? The heat of vaporization, Hvap, of water...
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An experimental plot of ln(Pvap) vs. 1/T is obtained in lab for an unknown liquid. The slope of the best-fit line for the graph is -5125 K. What is the enthalpy of vaporization for the liquid in kJ/mol? 

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