Chemistry

posted by .

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 the vapor pressure at 150.0K







































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...

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. heat

    At what point will liquid alcohol change to vapor?
  2. Phase diagram

    Question: A solid substance has a vapor pressure of 800 mm Hg at its melting point (80 degrees C). Describe how the solid behaves as temperature is raised from room temperature to 80 C while the atmospheric pressure is held constant …
  3. Chemistry

    Given the following information about xenon normal boiling point = -108 degrees C normal melting point = -112 degrees C triple point = -121 degrees C at 281 mmHg critical point = -16.6 degrees C at 58 atm a) Construct an appropriate …
  4. Chemistry

    4 super tough chemistry questions: 1.) Water has a considerably higher boiling point and lower vapor pressure than other molecules of similar or larger molar mass. For example, dinitrogen (N2), methane (CH4), etc. all have lower boiling …
  5. College Chemistry

    The boiling point of a liquid at atmospheric pressure is the temperature: a. at which bubbles of vapor expand within the liqud b. at which the liquid solidifies c. at which the vapor pressure first exceeds the critical temperature …
  6. chemistry

    Suppose you are given a list of solutions (all with nonvolatile solutes) and their concentrations. You pick out the one with the lowest freezing point. It should also have (pick all that apply): the lowest boiling point the highest …
  7. 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 …
  8. Chemistry

    1) What is the vapor pressure at 25°C of a solution of 1.20g ofnephtalene C10H8 in 25.6g of benzone C6H6?
  9. CHEMISTRY

    1. What is the vapor pressure at 25°C of a solution of 1.20g of nephtalene C10H8 in 25.6g of benzone C6H6?
  10. Chemistry

    What can be said about a substance with a triple point above 1atm 1) The liquid state of the substance cannot exist. 2) The gaseous state at 1 atm pressure cannot be condensed to the solid at the triple point temperature. 3) The melting …

More Similar Questions