posted by Hannah .
The vapor pressure of the liquid HF is measured at different temperatures. The following vapor pressure data are obtained.
Temperature(K) Pressure mmHg
Determine the enthalpy of vaporization.
I have know idea how to start this. Thank you for your help.
You are supposed to plot ln p vs 1/T. You will get a straight line with a negative slope. The slope = dHvap/R.
Ok when I did the graph I got -2.99e3 as the slope. Is this the answer or do I have to do something else now?
Nevermind I actually figured it out. Thank you.
well i would really help u hannah if i knew how to do it