Calculate the molal elevation constant of water if molar enthalpy of vaporisation of water at 373 K is 40.585 kJ/mol.
88. The values for delta H vap.and delta S vap. for ethanol are respectively 38.594 kJ/mol and 109.8 J/K. What will be the boiling point of ethanol ?
![Using Heat of Fusion or Vaporization to Find the Heat Needed to Melt or Boil a Substance | Chemistry | Study.com Using Heat of Fusion or Vaporization to Find the Heat Needed to Melt or Boil a Substance | Chemistry | Study.com](https://study.com/cimages/videopreview/videopreview-full/ogxe1fnzx7.jpg)
Using Heat of Fusion or Vaporization to Find the Heat Needed to Melt or Boil a Substance | Chemistry | Study.com
![SOLVED: The heat of vaporization of a liquid may be obtained from the following equation: ΔH = -R * ln(P2/P1) * T1 / (T2 - T1) (This is an approximated integrated form SOLVED: The heat of vaporization of a liquid may be obtained from the following equation: ΔH = -R * ln(P2/P1) * T1 / (T2 - T1) (This is an approximated integrated form](https://cdn.numerade.com/ask_images/bc560b4761c346c89bde07e0dd4ed88e.jpg)
SOLVED: The heat of vaporization of a liquid may be obtained from the following equation: ΔH = -R * ln(P2/P1) * T1 / (T2 - T1) (This is an approximated integrated form
![SOLVED: The linear relationship between vapor pressure and the absolute Clausius-Clapeyron equation: temperature (T) in Kelvin, vapor pressure (P), heat of vaporization (Hvap), and the positive constant (C). The equation of a SOLVED: The linear relationship between vapor pressure and the absolute Clausius-Clapeyron equation: temperature (T) in Kelvin, vapor pressure (P), heat of vaporization (Hvap), and the positive constant (C). The equation of a](https://cdn.numerade.com/ask_images/db070d2e4ee24bf8aca9d89e6321e896.jpg)