DDT is a pollutant that can be transported through the atmosphere to remote locations. The sub-cooled liquid vapor pressure (below 110?C) and liquid vapor pressure of p,p'-DDT at different temperatures are given below:
![503_9666a96f-bcab-48a8-a124-7cd189d9745d.png](https://secure.tutorsglobe.com/CMSImages/503_9666a96f-bcab-48a8-a124-7cd189d9745d.png)
The melting point of DDT is 109?C.
(A) Obtain from the above data the enthalpy of vaporization of DDT.
(B) Estimate the vapor pressure of solid DDT at 25?C.