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April 18, 2014

Homework Help: Chemistry

Posted by Hannah on Tuesday, February 7, 2012 at 5:43pm.

The vapor pressure of the liquid HF is measured at different temperatures. The following vapor pressure data are obtained.

Temperature(K) Pressure mmHg
250 129.63
260 206.65
270 318.22
280 475.16

Determine the enthalpy of vaporization.

I have know idea how to start this. Thank yoou for your help.

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