Asked by tre

what is the heat of vaporization if the vapor pressure of liquid water at 25 °C is 23.8 Torr and at a boiling point of 100 °C is 760 Torr.
Answered by DrBob222
Use th Clausius-Clapeyron equation and solve for delta H vap.
Answered by tre
so technically (P1, T1) is 25 °C 23.8 Torr and (P1, T2) is 100 °C is 760 Torr? Or is it the other way around? so what is R?
Answered by tre
is this set up correct?

ln(760torr/23.8torr) = -delta Hvap/ 8.31447 (1/373K - 1/298K)
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