posted by .

an organic sbstance has an enthalpy of vaporization of 29.0 kl/mol. the compound has a vapor pressure of524 mm HG at 25 C. at what tempurture is the vapor pressure equal to 115mm HG?

  • chemistry -

    Don't you use the Clausius-Clapeyron equation?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. heat of vapor pressure

    When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -9500 K. According to the Clausius Clapeyron equation, Hvap is ?
  2. Chemistry

    Which of the following statements is (are) true?
  3. Chemistry

    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. …
  4. Chemistry

    The vapor pressure of an unknown substance is given at various temperatures. properties of the substance are: density of solid=1.375g/ml density of liquid= 1.150g/ml. freezing point= 275.0K boiling point=375.0 K How would i calculate …
  5. Chemistry

    Diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm Hg at 18 degrees celsius and the change in H vapor = 26.0 kJ/mol. Calculate the vappor pressure of diethyl ether at 25 degrees C.
  6. chemistry

    The vapor pressure of benzene, C6H6, is 60.0 mm Hg at 13.5°C. The molar heat of vaporization of benzene is 30.8 kJ/mol and R = 8.31 10-3 kJ/mol·K. What is the vapor pressure of benzene at 70.0°C?

    if a pure liquid in a sealed container is in equilibrium with its own vapor, the dependence of the vapor pressure on the temperature and the heat of vaporization is governed by the Clausius-Clapeyron equation. what is the heat of vaporization …
  8. chemistry

    How do intermolecular forces determine the vapor pressure of a liquid?
  9. Chemistry

    At its normal boiling point of 126°C n-octane, C8H18, has a vapor pressure of 760 torr. What is its vapor pressure at 25°C?
  10. them

    How do intermolecular forces determine the vapor pressure of a liquid?

More Similar Questions